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COMPUTER SCIENCE AND ENGINEERING
SYNERGY INSTITUTE OF ENGINEERING AND TECHNOLOGY, DHENKANAL
FFOOGG
SSCCRREEEENN::
NNooww Y...
Seminarreport’10 DEPT - CSE
2 | P a g e
Seminarreport’10 DEPT - CSE
3 | P a g e
DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING
SYNERGY INSTITUTE OF ENGINEERING
AND ...
Seminarreport’10 DEPT - CSE
4 | P a g e
ACKNOWLEDGEMENT
I thank my seminar guide XxX Jena, Lecturer, SIET, for her proper ...
Seminarreport’10 DEPT - CSE
5 | P a g e
CONTENTS
 INTRODUCTION
 BRIEF HISTORY
 WHAT IS FOG SCREEN
 UNDER THE SURFACE
...
Seminarreport’10 DEPT - CSE
6 | P a g e
ABSTRACT
Fog Screen is breakthrough technology that allows
projection of high qual...
Seminarreport’10 DEPT - CSE
7 | P a g e
Finnish virtual reality researchers created the Fog Screen
to recreate some of the...
Seminarreport’10 DEPT - CSE
8 | P a g e
December 2001.
The first publicdemonstration of Fog Screen was in Finland
in Octob...
Seminarreport’10 DEPT - CSE
9 | P a g e
productionbegan in 2004.
An interactivityadd-on, which lets you write “in the air”...
Seminarreport’10 DEPT - CSE
10 | P a g e
Fog Screen is a patented technology, which Rakkolainen,
one of the senior researc...
Seminarreport’10 DEPT - CSE
11 | P a g e
TechnicalAnalysis). Currently, there are only nine Fog
Screens availablein the wo...
Seminarreport’10 DEPT - CSE
12 | P a g e
generating device;there is no frame aroundthe screen.
The installationis easy: ju...
Seminarreport’10 DEPT - CSE
13 | P a g e
non-turbulentairflow to protect a dry fog flow inside it
from turbulence (see Fig...
Seminarreport’10 DEPT - CSE
14 | P a g e
water and one device located above the screen to
maintainthe above mentioned airf...
Seminarreport’10 DEPT - CSE
15 | P a g e
After the screen is formed, images can be projected onto it.
The screen can be tr...
Seminarreport’10 DEPT - CSE
16 | P a g e
Here in two side air flow is given to make a constant flow
of fog for the display...
Seminarreport’10 DEPT - CSE
17 | P a g e
thick. One set of fans blows the fog downwardswhile the
other two sandwiches the ...
Seminarreport’10 DEPT - CSE
18 | P a g e
How does fog screen move things forward
It is important to recognize the uniquene...
Seminarreport’10 DEPT - CSE
19 | P a g e
the layer and the imagery will not be dispersed or
distorted. Fog Screen technolo...
Seminarreport’10 DEPT - CSE
20 | P a g e
Olwal has created several pseudo-3D interactive
applications,an example being Ela...
Seminarreport’10 DEPT - CSE
21 | P a g e
launches, museums, to attract more and more
peoples.
 It is used in case of proj...
Seminarreport’10 DEPT - CSE
22 | P a g e
publicto walkthrough.The Box nightclubin Belfast has
installeda number of them, p...
Seminarreport’10 DEPT - CSE
23 | P a g e
some way to be displayed, even in its creation. For this reason,
there are many t...
Seminarreport’10 DEPT - CSE
24 | P a g e
Advantages
 The Fog Screen developers say the unique nature of
Fog Screen will m...
Seminarreport’10 DEPT - CSE
25 | P a g e
 Increase productionskills-technology transfer. -
Reduce competition -increase q...
Seminarreport’10 DEPT - CSE
26 | P a g e
 Need 1kW of energy to produce 1m long fog screen. And
it is produce 3-5 litres ...
Seminarreport’10 DEPT - CSE
27 | P a g e
Success of Fog Screen
 Fog Screen has been successfully used in this
internation...
Seminarreport’10 DEPT - CSE
28 | P a g e
Découverte, TaiwanNationalMuseum)
REFERENCE
http://www.fogscreen.com
http://www.g...
Seminarreport’10 DEPT - CSE
29 | P a g e
Hope this will help u……!!
Sovan Misra
SEND YOUR FEEDBACK ON:
Email: Sovan107@gmai...
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Fogscreen seminar report

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Fogscreen seminar report

  1. 1. COMPUTER SCIENCE AND ENGINEERING SYNERGY INSTITUTE OF ENGINEERING AND TECHNOLOGY, DHENKANAL FFOOGG SSCCRREEEENN:: NNooww YYoouu SSeeee IItt,, NNooww YYoouu WWaallkk TThhrroouugghh IItt Guided by: XxX Presented by: Sovan Misra CS-07-42 0701230147
  2. 2. Seminarreport’10 DEPT - CSE 2 | P a g e
  3. 3. Seminarreport’10 DEPT - CSE 3 | P a g e DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING SYNERGY INSTITUTE OF ENGINEERING AND TECHNOLOGY DHENKANAL CERTIFICATE Certified that this is a bonafide record of the seminar entitled “FOG SCREEN” done by the following student “SOVAN MISRA”of the 7th semester, Computer Science and Engineering in the year 2010 in partial fulfilment of the requirements of the award of Degree of Bachelor of Technology in Computer Science and Engineering of Synergy InstituteOf Engineering And Technology, Dhenkanal XxX XxX Seminar Guide Head of the Department
  4. 4. Seminarreport’10 DEPT - CSE 4 | P a g e ACKNOWLEDGEMENT I thank my seminar guide XxX Jena, Lecturer, SIET, for her proper guidance, and valuable suggestions. I am indebted to XxX, the HOD, Computer Science department & other faculty members for giving me an opportunity to learn and do this seminar. If not for the above mentioned people my seminar would never have been completed successfully. I once again extend my sincere thanks to all of them. SOVAN MISRA
  5. 5. Seminarreport’10 DEPT - CSE 5 | P a g e CONTENTS  INTRODUCTION  BRIEF HISTORY  WHAT IS FOG SCREEN  UNDER THE SURFACE   FORMATION OF FOG SCREEN  HOW FOG MACHINE WORKS  TECHNOLOGY CHALLENGED  APPLICATION  ADVANTAGES  LIMITATIONS  OPPERTUNITIES  SUCCESS OF FOG SCREEN  REFERENCES
  6. 6. Seminarreport’10 DEPT - CSE 6 | P a g e ABSTRACT Fog Screen is breakthrough technology that allows projection of high qualityimages in the air. It is currently the only walk-through projection screen. You can literally use the air as youruser interface by touching only the air with your bare hands. The screen is created by using a suspended fog generating device with no frame around, and works with video projectors. The fog they use is dry, so it doesn’t make you wet even if you stay under the Fog Screen device for a long time. The fog is made of ordinary water with no chemicalswhat soever. With two projectors, you can project different images on both sides of the screen. It is a displaydevice which is the applicationof computer graphics. INTRODUCTION  Inspired by science fiction movies such as Star Wars, two
  7. 7. Seminarreport’10 DEPT - CSE 7 | P a g e Finnish virtual reality researchers created the Fog Screen to recreate some of the effects from these movies in real life.  Fog Screen is an exciting new projection technology that allowsto project images and video onto a screen of “dry” fog, creating the illusionthat the images are floating in midair  Fog Screen is the world’s first immaterial walk-through projection screen. Its Qualities, in particular the walk- through capability, set Fog Screen apart from other displays and thus created a seemingly successful market for its products.  The Fog Screen is an innovative display technology that allows for projections on a thin layer of dry fog. Imagine the traditional pull down screen that is found in many classrooms today. Instead of a screen being pulled down from the ceiling, fog is pushed down and held in place by several small fans, allowing for a consistent surface for display. Brief history It was invented by two Finnish virtualreality researchers Fog Screen, which was initially knownas WAVE (Walkthrough Virtual Environment), was announcedin
  8. 8. Seminarreport’10 DEPT - CSE 8 | P a g e December 2001. The first publicdemonstration of Fog Screen was in Finland in October 2002.Till then it is in use in different areas and improvements are being done to increase its effectiveness. Inspired by science fiction movies such as Star Wars, two Finnish virtual reality researchers created the Fog Screen to recreate some of the effects from these movies in real life. Fog screen is one such immaterial screen and uses the method of fog on which to project imagery (DiVerdi et al. 2006). Fog Screen is a patented technology, which Rakkolainen, one of the senior researchers and founders behindthis technology, describes as “…an immaterialprojection screen that consists of air and a little humidity, and enables high-qualityprojected images in thin-air, as well as many new applications.” Palovuori (2006) writes that the FogScreen creates a large non-turbulentairflow to protect a dry fog flow inside it from turbulence. The Fog Screen debutedat the 2002 Turku Science Fair. The Fog Screen Companywas founded in 2003 and volume
  9. 9. Seminarreport’10 DEPT - CSE 9 | P a g e productionbegan in 2004. An interactivityadd-on, which lets you write “in the air” and even control a computer, debuted in 2005. The Fog Screen One launchedin 2006. WHAT IS FOG SCREEN ? It is one type of advancedprojecting device which consumes water and electricity to form fogs on which images are projected Here the tea-potis projected onfog generated by a fog generatingdevice.
  10. 10. Seminarreport’10 DEPT - CSE 10 | P a g e Fog Screen is a patented technology, which Rakkolainen, one of the senior researchers and founders behind this technology, describes as,“…an immaterial projection screen that consists of air and a little humidity, and enables high-quality projected images in thin-air, as well as many new applications.”. Fog Screen is an exciting new projection technology that allows you to project images and video onto a screen of “dry” fog, creating the illusionthat the images are floating in midair. Fog Screen is a just that, a 2D projection screen, but not a common opaquescreen like hundredsof others in the market, rather an immaterial screen. The word immaterial in relation to displaysystems refers to those that create that sense of imagery floating in mid-air, usuallycreated using water, smoke or fog. Fog screen is one such immaterial screen and uses the method of fog on which to project imagery. The Fog Screen is an innovative displaytechnology that allowsfor projectionson a thin layer of dry fog. Imagine the traditionalpulldown screen that is found in many classrooms today. Instead of a screen being pulled down from the ceiling, fog is pushed down and held in place by several small fans, allowingfor a consistent surface for display. A user may simply stand back and view the material but can also reach or walk through the fog. A user may also interact with objects displayedin the fog with the use of an input device like a data glove, a tracked wand, or simply using hands(see
  11. 11. Seminarreport’10 DEPT - CSE 11 | P a g e TechnicalAnalysis). Currently, there are only nine Fog Screens availablein the world. Fog Screen is an exciting new projection technology that allows you to project images and video onto a screen of “dry” fog, creating the illusionthat the images are floating in midair. You can literallyuse the airas your user interface by touching only the air with your bare hands. The screen is created by using a suspended fog generating device with no frame around, and works with video projectors. The fog they use is dry, so it doesn’t make you wet even if you stay under the Fog Screen device for a long time. The fog is made of ordinary water with no chemicals whatsoever. The Fog Screen is a displaytechnology that instead of using a traditionalscreen uses a thin layer of dry fog as the display surface. The system starts with water that is held in a large plastic container or comes from a regular water pipe. Thiswater is drawn through a plastic tube via a small engine. Users have the abilityto control the density and flow of the fog and the strength of the sandwichingairstreams. With two projectors, we can project different images on both sides of the screen. The Fog Screen is a new invention which makes objects seems to appearand move in thin air! It is a screen you can walk through! The Fog Screen is created by using a suspended fog
  12. 12. Seminarreport’10 DEPT - CSE 12 | P a g e generating device;there is no frame aroundthe screen. The installationis easy: just replace the conventional screen with Fog Screen. We don’t need to change anything else – it works with standard video projectors. The fog we are using is dry, so it doesn’t make you wet even if you stay under the Fog Screen device for a long time. The fog is made of ordinary water with no chemicalswhatsoever. With two projectors, you can project different images on both sides of the screen crisp, and protected from turbulence. . All the important principlesof Fog Screen technology have patent pending. The basic componentsof the screen are a laminar, on-turbulentairflow, and a thin fog screen created this way, the fog screen is an internal part of the laminarairflow, and remains thin and turbulence. Under the Surface As alreadymentioned, the screen is made up of a layer of fog. It is therefore quite unique that such a substance could allow for clearand undisturbedimage projection. The secret lies in how this layer of fog in maintained. Palovuori (2006) writes that the Fog Screen creates a large
  13. 13. Seminarreport’10 DEPT - CSE 13 | P a g e non-turbulentairflow to protect a dry fog flow inside it from turbulence (see Figure 1). The outer airflow may get slightly turbulent, but the inner fog layer remainsthin and crisp. In a sense, the outer air-flows are like air curtains that sandwich the fog flow and maintainits integrity. principle of the Fog Screen DiVerdi (2006) further explainsthat ordinary tap water (droplets of 2-3 microns) becomes trapped inside this inner layer, and that “even though the fog is made of water, it appears dry to the touch, just like air.” Therefore, the technology is rather simple in nature, making use of
  14. 14. Seminarreport’10 DEPT - CSE 14 | P a g e water and one device located above the screen to maintainthe above mentioned airflow. The Fog Screen works very much like an ordinary screen in terms of projection properties. Fog Screen is best when used for real projection situations.Distance between projector and screen should be a minimum of 2 meters. Formation of fog screen • It is formed by using ordinary tap water and digitaltechnology like ultrasonicdevice to create a thin layer of dry fog which is sandwiched between two air-curtains. • The fog is created by suspended fog generating device. • The fog is made up of ordinary tap water with no chemicals Fog Screen creates a “dry” fog by ensuring that the water droplets are in the range of 2-3 microns in size and are electro statically charged so that they move around and away from other objects. The fog is made within the device using water and ultrasonic waves. If you hold your hands in the fog flow, the fog feels dry and cool, and your hands do not get wet.
  15. 15. Seminarreport’10 DEPT - CSE 15 | P a g e After the screen is formed, images can be projected onto it. The screen can be translucent or fully opaque. The fog we are using is dry, so it doesn’t make you wet even if you stay under the Fog Screen device for a long time. The fog is made of ordinary water with no chemicals whatsoever. With two projectors, you can project different images on both sides of the screen. The founders of the Fog Screen were intrigued with the prospect of creating an image that could float in the air and that people could walk through (that is the Princess Leia effect). They set out to make a projected image float in the air by using different media such as dust, water, fog. And then a mist of tiny water droplets. They then had to iterate their design repeatedly to ensure that people would not get wet and that the Fog Screen could operate within a broad range of environmental conditions. The ultrasonic transducer is used to divide the water into small and tiny water droplets as the fog which we are using here is completely dry and it is light. If we will take lager water droplets then it will create wet fog which can’t be used in the formation of screen. The fog we are using is dry, so it doesn’t make you wet even if you stay under the Fog Screen device for a long time. With two projectors, you can project different images on both sides of the screen. Diagram of Fog Screen generation
  16. 16. Seminarreport’10 DEPT - CSE 16 | P a g e Here in two side air flow is given to make a constant flow of fog for the displayof image. Because if the outside air will enter then it may create disturbance in displayingthe image. As the fog here we are using are dry and very light. The fog is made within the device using water and ultrasonic waves. If you hold your hands in the fog flow, the fog feels dry and cool, and your hands do not get wet. After the screen is formed, images can be projected onto it. The screen can be translucent or fully opaque. How fog machine works  Fog Screen technology is a high-tech version of the technology in a cool air humidifier.  Tap water is pumped into the fog tank where it is blasted with ultrasound,turning it instantlyinto a thick fog made of tiny water particles 2-3 microns in diameter. The tank’s internaldesign plus3 sets of fans work together to create a very thin wall of mist about half of an inch
  17. 17. Seminarreport’10 DEPT - CSE 17 | P a g e thick. One set of fans blows the fog downwardswhile the other two sandwiches the fog between air curtains so that it becomes a smooth projection screen. Fog Screen works much like many screens in terms of its projection properties and requires a 2kw power supply. A major difference is the need for a water supply, with onscreen using fifty litres of tap water per hour. The Device situated above the fog screen enables the purificationof the water via a silver-ion channel and mineralswithin the tank are cleaned out through regular maintenance(Jordan Woods, 2007). The opacity will depend on a number of factors, mainly fog density, the projector, image brightness, and the background. It appears to be a very versatile technology and can be combinedwith many methods in order to achievethe imagery required, such as pseudo 3D displayand mechanisms to allowfurther interactivity via tracking. The founders of the Fog Screen were intrigued with the prospect of creating an image that could float in the air and that peoplecould walk through. They set out to make a projected image float in the air by using different media such as dust, water, fog, and then a mist of tiny water droplets. They then had to iterate their design repeatedly to ensure that people would not get wet and that the Fog Screen could operate within a broad range of environmentalconditions.
  18. 18. Seminarreport’10 DEPT - CSE 18 | P a g e How does fog screen move things forward It is important to recognize the uniquenessof Fog Screen technology. It is not the world’s first immaterialscreen, but the first immaterial walk-through screen. This simple fact is what distinguishesFog Screen from all other displays(Rakkolainen,2007). Rakkolainen continuesto explain the uniquenessof the technology by mentioning how other displayscan create the floating imagery effect but none are penetrable. There are water screens creating huge displaysfor large audiencesbut they provide poor image quality.Such large water based displaysare also wet and so impracticalfor indoors, and walk-through interaction.There have also been earlier technologies closely similar to Fog Screen making use of forgather than water. However, they are typically wet and turbulence affecting such screens seriously reduces the fidelity of imagery. To reiterate what has been mentioned above, FogScreen creates a non-turbulentairflow of dry fog, cool to the touch. Erdem (2006) mentionsin an article on performing arts how this qualitymeans that performers or anyone interacting with the screen for that matter will not be restricted by the fog layer. One can walk freely through
  19. 19. Seminarreport’10 DEPT - CSE 19 | P a g e the layer and the imagery will not be dispersed or distorted. Fog Screen technologynot only is uniqueas a stand-alonedisplay. Its qualities,mainlythe immaterial nature and walk-through capabilities,allow for very advancedinterface design.Olwal and other researches (2006) have written that Fog Screens “…dual-sidednature allowsfor new possibilitiesin multi- user face-to-face collaborationandpseudo-3D visualization.” Images can be projected on both sides of the screen creating a 3D visual effect as shown infigure 2 below. (Figure 2, support for dual-sided projection allows two independent images to be projected on each side, such that a 3D application can render two interactive views for a pseudo- 3D effect (Olwal et al, 2006)
  20. 20. Seminarreport’10 DEPT - CSE 20 | P a g e Olwal has created several pseudo-3D interactive applications,an example being Elastic Surface Denominator. This interactive applicationallowsa user to stretch and sculpt, as well as to move and rotate a 3D model of a head as shown in Figure 2.Not only has Fog Screen been used with such psuedo-3D displays,it is the centre part of many ongoing efforts towards real volumetric 3D displays. Dr Benzie (2007) in a large survey of 3D displayswrites how volumetric displaysare in a more advancedstage of development with many already having a profitablemarket as with Fog Screen. It appears therefore, that Fog Screen is a vital display for many researches in the world of 3DTV. APPLICATIONS  Fog Screen has been used in live malls, product
  21. 21. Seminarreport’10 DEPT - CSE 21 | P a g e launches, museums, to attract more and more peoples.  It is used in case of projection a 3D image esp. in studies.  It can be used in seminars to make it more interactive (we can walk through the screen). It can be used in place of air curtain in clubsto make itattractive.Museums, events, trade shows, night clubs, casinos, TV shows, and amusement parks are a number of areas where Fog Screen hasbeen put into effective use. One industry where it excels is in advertising. Lugmayr (2007) describes how Fog Screen can be used in conjunctionwith laser scanner drivers, interactivity and rendering modules, and a flash application.Thiscreates an effective advertisement that entices a user to walkthrough. A user could for example, select a brick wall, or a waterfall via touch, walk through and by doing so see screen afterwards. Viewers tend to remain captivated by such an interactive displayas opposed to others. Fog Screens use in trade shows has been well received. Nokia, one of many using the Fog Screen products, installeda number of screens to trade show entrances that showed an animationof a character walking and using the Nokia products. Nightclubsare another area, where the screen literallybecomes the entrance into the club provoking the
  22. 22. Seminarreport’10 DEPT - CSE 22 | P a g e publicto walkthrough.The Box nightclubin Belfast has installeda number of them, providing amazing visuals inside.FogScreen can almost be used in any situation.The Fog Screen team also set up each screen to the requirements in order that the effect is as expected wherever it may be used. Its abilityto be used throughout so many industries is evidence of Fog Screens significance to  Multimediaand one that looks like it shall continue (Rakkolainen,2007). Entertain your guests with Fog Screen Whether you are planninga rock concert, a prize ceremony, an anniversary, any commercial or private event, we use the magical Fog Screen. Guests can enter through the screen to an event!  Create a luxurious interior with Fog Screen  Immersive projection technology could use CAVE-like virtual rooms with fog walls, making them effectively “virtual virtual rooms”. Fog Screen relevant to multimedia? Displays are hugely important to multimedia. All imagery needs
  23. 23. Seminarreport’10 DEPT - CSE 23 | P a g e some way to be displayed, even in its creation. For this reason, there are many technologies out there and as a result many products, with a recent one being the plasma screen. Most however, are purely for display, allowing little interaction. Fog Screen breaks this mould being the first immaterial walk-through screen (Rakkolainen, 2007). The interactive capabilities of Fog Screen products have enabled its success in the world of multimedia and its application can be seen all over the world and in many different industries A walk through screen……
  24. 24. Seminarreport’10 DEPT - CSE 24 | P a g e Advantages  The Fog Screen developers say the unique nature of Fog Screen will make it a memorable experience for customers Fog Screen is environmentally friendly, as it uses only water as requirement and produces chemical free fog.  Increase product skill and qualityof products. Safety for kids, fun and play time for the kids. It is Immaterial - you could walk through it.
  25. 25. Seminarreport’10 DEPT - CSE 25 | P a g e  Increase productionskills-technology transfer. - Reduce competition -increase qualityof product - Enter to new market. (in different market.)  Increase for workers with an increase in marginal cost Fog Screen is working on new hardware products - Fog Screen with specialized capabilities (that is live performances, retail environments, etc.). There are also significant enhancements being made to the interactivity and 3-dimensional imaging capabilities of the screen. Limitations  Fog Screen works best indoorswith a dark background that enhances the brightness of the image on the Fog Screen behind the projector. So, it can’t be used in day light.  It is presently very much expensive, but the FogScreen.inc is working on providing it in a reasonable price.  Price is one weakness, with the cost Fog Screen will have to cater for a specialized market, unlikely ever to be used in the normal household or to replace plasma/LCD displays (Watson, 2007).
  26. 26. Seminarreport’10 DEPT - CSE 26 | P a g e  Need 1kW of energy to produce 1m long fog screen. And it is produce 3-5 litres of water in one hour which should be vent. And you can't make a high fog screen, because fog would diffuse with distance. OPPERTUNITIES  There are endless opportunitiesto use the products, but for now these have been mostly innovativemarketing solutionsand different exhibitions.  Stream of fog can appearand disappearwithin a fraction of a second, making it a possibilityfor use in a live theatre setting to aid with special effects  Presently it is in demandsin countries like Japan, Malaysia,Germany, France, Greece, Russia, the UK and the USA; in recent future it will replace the existing method of projection.  Developments are being carried out in making FogScreen a Touch-FogScreen to make it more interactive for the viewer.
  27. 27. Seminarreport’10 DEPT - CSE 27 | P a g e Success of Fog Screen  Fog Screen has been successfully used in this international events: 1. Entertainment(live shows, live concerts, night clubs, stage productions, private parties ie. Disney EnchantedTour, Eurovision,Harrah’s, Cirque de Soleil, MGM Grand, 20th Century Fox) 2. Brand promotions(P&G, Diesel, Victoria’sSecret. Bud light/Maxim Tour, Xbox) 3. Trade shows and exhibitionevents (Nokia, Motorola,Sony, Siemens) 4. Theme parks (Key US theme parks) 5. Museums and Science Centres (Palais de la
  28. 28. Seminarreport’10 DEPT - CSE 28 | P a g e Découverte, TaiwanNationalMuseum) REFERENCE http://www.fogscreen.com http://www.google.com http://wikipedia.com    
  29. 29. Seminarreport’10 DEPT - CSE 29 | P a g e Hope this will help u……!! Sovan Misra SEND YOUR FEEDBACK ON: Email: Sovan107@gmail.com

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mailto : sovan107@gmail.com : To get this... Hi Viewers, Seminar Slides are also available for this report. Please drop me an email to get both of this.. Thanks, Sovan

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