SlideShare ist ein Scribd-Unternehmen logo
1 von 47
Greenhouse Cooling Concepts
Why Cool Greenhouses? ,[object Object],[object Object],[object Object]
Too HOT!! ,[object Object],[object Object],[object Object],[object Object]
 
SUMMER COOLING ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],WINTER COOLING
Passive Cooling ,[object Object],[object Object],[object Object],[object Object]
Acta Hortic. 443: 31-38  http://aesop.rutgers.edu/~horteng/OPENROOF3.HTM
 
 
Effectiveness of Summer Cooling ,[object Object],[object Object],[object Object]
Evaporative Cooling ,[object Object],[object Object],[object Object]
 
http://www.munters.com/home.nsf/FS1?ReadForm&content=/products.nsf/ByKey/OHAA-55GSWH http://okfirst.ocs.ou.edu/train/meteorology/HeatTransfer.html
Pad and Fan Cooling ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
Active Summer Cooling System Calculations (Basics) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Pad Types and Specifications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
Cross-fluted cellulose pads ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
More Details ,[object Object],[object Object],[object Object],[object Object]
Rate of Air Exchange ,[object Object],[object Object],[object Object],[object Object]
Other factors: ,[object Object],[object Object],[object Object]
Calculating Air Removal Rate ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
Exhaust Fan Placement Rules ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
 
Fog Cooling ,[object Object],[object Object],[object Object],[object Object],http://www.valproducts.com/Air/EvapFog.html
Fog Cooling ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
Fog Cooling II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fog Cooling Advantages ,[object Object],[object Object],[object Object],[object Object]
Effectiveness of Winter Cooling ,[object Object],[object Object],[object Object]
 
Active Winter Cooling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
 
HAF fans ,[object Object],[object Object],[object Object]
 
 
Integrating of Heating and Cooling Systems ,[object Object]
BRING CALCULATORS and TEXTBOOK on Thursday !!!!

Weitere ähnliche Inhalte

Was ist angesagt?

Plant response to green house environment
Plant response to green house environmentPlant response to green house environment
Plant response to green house environmentAjay Singh Lodhi
 
Planning and design of green house
Planning and design of green housePlanning and design of green house
Planning and design of green houseAjay Singh Lodhi
 
GREEN HOUSE ENVIRONMENT
GREEN HOUSE ENVIRONMENTGREEN HOUSE ENVIRONMENT
GREEN HOUSE ENVIRONMENTpramodrai30
 
Protected cultivation:Green house
Protected cultivation:Green houseProtected cultivation:Green house
Protected cultivation:Green houseMaya Sharma
 
Green house components and types of green house
Green house components and types of green houseGreen house components and types of green house
Green house components and types of green houseAjay Singh Lodhi
 
Protected cultivation
Protected cultivation Protected cultivation
Protected cultivation Pooja nautiyal
 
Training and pruning in apple and pear
Training and pruning in apple and pearTraining and pruning in apple and pear
Training and pruning in apple and pearYashpal Singh Bisht
 
Types of Green Houses
Types of Green Houses Types of Green Houses
Types of Green Houses pramodrai30
 
Training in Grapes.pptx
Training in Grapes.pptxTraining in Grapes.pptx
Training in Grapes.pptxSyedInaamShah
 
Protected cultivation, importance &; scope, status in india
Protected cultivation, importance &; scope, status in indiaProtected cultivation, importance &; scope, status in india
Protected cultivation, importance &; scope, status in indiaRakesh Pattnaik
 
Plant propagation structures in plant nursery.ppt
Plant propagation structures in plant nursery.pptPlant propagation structures in plant nursery.ppt
Plant propagation structures in plant nursery.pptPudhuvai Baveesh
 
Important Physiological Disorders of Mango
Important Physiological Disorders of MangoImportant Physiological Disorders of Mango
Important Physiological Disorders of MangoMeezan Ali
 
EFFECT OF MOISTURE STRESS ON PLANT GROWTH AND DEVELOPMENT
EFFECT OF MOISTURE STRESS ON PLANT GROWTH AND DEVELOPMENTEFFECT OF MOISTURE STRESS ON PLANT GROWTH AND DEVELOPMENT
EFFECT OF MOISTURE STRESS ON PLANT GROWTH AND DEVELOPMENTSHRAVAN KUMAR REDDY
 
Antitranspirants and their effect on crop
Antitranspirants  and their effect on crop Antitranspirants  and their effect on crop
Antitranspirants and their effect on crop O.P PARIHAR
 

Was ist angesagt? (20)

Green house cooling
Green house coolingGreen house cooling
Green house cooling
 
Plant response to green house environment
Plant response to green house environmentPlant response to green house environment
Plant response to green house environment
 
Planning and design of green house
Planning and design of green housePlanning and design of green house
Planning and design of green house
 
Green house heating
Green house heatingGreen house heating
Green house heating
 
GREEN HOUSE ENVIRONMENT
GREEN HOUSE ENVIRONMENTGREEN HOUSE ENVIRONMENT
GREEN HOUSE ENVIRONMENT
 
Protected cultivation:Green house
Protected cultivation:Green houseProtected cultivation:Green house
Protected cultivation:Green house
 
Green house components and types of green house
Green house components and types of green houseGreen house components and types of green house
Green house components and types of green house
 
Protected Cultivation
Protected CultivationProtected Cultivation
Protected Cultivation
 
Cladding material
Cladding materialCladding material
Cladding material
 
Protected cultivation
Protected cultivation Protected cultivation
Protected cultivation
 
Training and pruning in apple and pear
Training and pruning in apple and pearTraining and pruning in apple and pear
Training and pruning in apple and pear
 
Types of Green Houses
Types of Green Houses Types of Green Houses
Types of Green Houses
 
Training in Grapes.pptx
Training in Grapes.pptxTraining in Grapes.pptx
Training in Grapes.pptx
 
Protected cultivation, importance &; scope, status in india
Protected cultivation, importance &; scope, status in indiaProtected cultivation, importance &; scope, status in india
Protected cultivation, importance &; scope, status in india
 
Anthurium
AnthuriumAnthurium
Anthurium
 
Plant propagation structures in plant nursery.ppt
Plant propagation structures in plant nursery.pptPlant propagation structures in plant nursery.ppt
Plant propagation structures in plant nursery.ppt
 
Important Physiological Disorders of Mango
Important Physiological Disorders of MangoImportant Physiological Disorders of Mango
Important Physiological Disorders of Mango
 
EFFECT OF MOISTURE STRESS ON PLANT GROWTH AND DEVELOPMENT
EFFECT OF MOISTURE STRESS ON PLANT GROWTH AND DEVELOPMENTEFFECT OF MOISTURE STRESS ON PLANT GROWTH AND DEVELOPMENT
EFFECT OF MOISTURE STRESS ON PLANT GROWTH AND DEVELOPMENT
 
Antitranspirants and their effect on crop
Antitranspirants  and their effect on crop Antitranspirants  and their effect on crop
Antitranspirants and their effect on crop
 
Crop modelling.pptx
Crop modelling.pptxCrop modelling.pptx
Crop modelling.pptx
 

Ähnlich wie Cooling

Temperature and shade regulation in green house
Temperature and shade regulation in green houseTemperature and shade regulation in green house
Temperature and shade regulation in green houseiari
 
Air conditioning equipment and applications of air conditioning
Air conditioning equipment and applications of air conditioning Air conditioning equipment and applications of air conditioning
Air conditioning equipment and applications of air conditioning SHYAM KUMAR Reddy
 
Air Conditioning and Security Installations
Air Conditioning and Security InstallationsAir Conditioning and Security Installations
Air Conditioning and Security InstallationsKalokwera Samuel
 
Management of Poultry House Ventilation by Dr.Muhammad Ashiq Toor
Management of Poultry House Ventilation  by Dr.Muhammad Ashiq ToorManagement of Poultry House Ventilation  by Dr.Muhammad Ashiq Toor
Management of Poultry House Ventilation by Dr.Muhammad Ashiq ToorAshiq Toor
 
Felix trabajo de ingles
Felix trabajo de inglesFelix trabajo de ingles
Felix trabajo de inglespilarmgarre
 
Energy Saver 101: Everything You Need To Know About Home Cooling
Energy Saver 101: Everything You Need To Know About Home CoolingEnergy Saver 101: Everything You Need To Know About Home Cooling
Energy Saver 101: Everything You Need To Know About Home CoolingSouthwest Florida Rheem Team
 
Types of air conditioning for HVAC application
Types of air conditioning for HVAC applicationTypes of air conditioning for HVAC application
Types of air conditioning for HVAC applicationVirtu Institute
 
Presentation-on-desert-cooler
 Presentation-on-desert-cooler Presentation-on-desert-cooler
Presentation-on-desert-coolerhuzefa ansari
 
LECTURE 6 ZONING IN HVAC.ppt
LECTURE  6 ZONING IN HVAC.pptLECTURE  6 ZONING IN HVAC.ppt
LECTURE 6 ZONING IN HVAC.pptBhaskarBhatia2
 
Summer Ventilation Basics: Ventilation Design, Ventilation Schemes, Evaporati...
Summer Ventilation Basics: Ventilation Design, Ventilation Schemes, Evaporati...Summer Ventilation Basics: Ventilation Design, Ventilation Schemes, Evaporati...
Summer Ventilation Basics: Ventilation Design, Ventilation Schemes, Evaporati...Ericka Mongeau
 
Solar Chimneys
Solar ChimneysSolar Chimneys
Solar ChimneysFayina19z
 
Brioler management in cold weather part1
Brioler management in cold weather part1Brioler management in cold weather part1
Brioler management in cold weather part1Dr.Muhammad Awais
 

Ähnlich wie Cooling (20)

Storage
StorageStorage
Storage
 
Temperature and shade regulation in green house
Temperature and shade regulation in green houseTemperature and shade regulation in green house
Temperature and shade regulation in green house
 
Air conditioning equipment and applications of air conditioning
Air conditioning equipment and applications of air conditioning Air conditioning equipment and applications of air conditioning
Air conditioning equipment and applications of air conditioning
 
Air Conditioning and Security Installations
Air Conditioning and Security InstallationsAir Conditioning and Security Installations
Air Conditioning and Security Installations
 
Management of Poultry House Ventilation by Dr.Muhammad Ashiq Toor
Management of Poultry House Ventilation  by Dr.Muhammad Ashiq ToorManagement of Poultry House Ventilation  by Dr.Muhammad Ashiq Toor
Management of Poultry House Ventilation by Dr.Muhammad Ashiq Toor
 
Felix trabajo de ingles
Felix trabajo de inglesFelix trabajo de ingles
Felix trabajo de ingles
 
التهوية النفقية وكيفية حساب قدرة سحب المراوح ؟؟؟
التهوية النفقية وكيفية حساب قدرة سحب المراوح ؟؟؟التهوية النفقية وكيفية حساب قدرة سحب المراوح ؟؟؟
التهوية النفقية وكيفية حساب قدرة سحب المراوح ؟؟؟
 
Energy Saver 101: Everything You Need To Know About Home Cooling
Energy Saver 101: Everything You Need To Know About Home CoolingEnergy Saver 101: Everything You Need To Know About Home Cooling
Energy Saver 101: Everything You Need To Know About Home Cooling
 
Types of air conditioning for HVAC application
Types of air conditioning for HVAC applicationTypes of air conditioning for HVAC application
Types of air conditioning for HVAC application
 
Hvac
HvacHvac
Hvac
 
Air conditioning
Air conditioningAir conditioning
Air conditioning
 
Air conditioning (1)
Air conditioning (1)Air conditioning (1)
Air conditioning (1)
 
Excess air
Excess airExcess air
Excess air
 
Presentation-on-desert-cooler
 Presentation-on-desert-cooler Presentation-on-desert-cooler
Presentation-on-desert-cooler
 
LECTURE 6 ZONING IN HVAC.ppt
LECTURE  6 ZONING IN HVAC.pptLECTURE  6 ZONING IN HVAC.ppt
LECTURE 6 ZONING IN HVAC.ppt
 
Summer Ventilation Basics: Ventilation Design, Ventilation Schemes, Evaporati...
Summer Ventilation Basics: Ventilation Design, Ventilation Schemes, Evaporati...Summer Ventilation Basics: Ventilation Design, Ventilation Schemes, Evaporati...
Summer Ventilation Basics: Ventilation Design, Ventilation Schemes, Evaporati...
 
Solar Chimneys
Solar ChimneysSolar Chimneys
Solar Chimneys
 
Brioler management in cold weather part1
Brioler management in cold weather part1Brioler management in cold weather part1
Brioler management in cold weather part1
 
HEATING AND VENTILATION
HEATING AND VENTILATIONHEATING AND VENTILATION
HEATING AND VENTILATION
 
How Air Conditioning Works
How Air Conditioning WorksHow Air Conditioning Works
How Air Conditioning Works
 

Mehr von buddy.tignor (20)

Giese
GieseGiese
Giese
 
Walker
WalkerWalker
Walker
 
Trull
TrullTrull
Trull
 
Spahr
SpahrSpahr
Spahr
 
Kearney
KearneyKearney
Kearney
 
Higgins
HigginsHiggins
Higgins
 
Haney
HaneyHaney
Haney
 
Davis
DavisDavis
Davis
 
Cogswell
CogswellCogswell
Cogswell
 
Caldwell
CaldwellCaldwell
Caldwell
 
Brucki
BruckiBrucki
Brucki
 
Chamomile Botany
Chamomile BotanyChamomile Botany
Chamomile Botany
 
Sustainability Initiative
Sustainability InitiativeSustainability Initiative
Sustainability Initiative
 
Seeddistest1
Seeddistest1Seeddistest1
Seeddistest1
 
Carbon Dioxide Injection
Carbon Dioxide InjectionCarbon Dioxide Injection
Carbon Dioxide Injection
 
Carbon Dioxide Fertilization
Carbon Dioxide FertilizationCarbon Dioxide Fertilization
Carbon Dioxide Fertilization
 
Supplemental Lighting
Supplemental LightingSupplemental Lighting
Supplemental Lighting
 
Light In The Greenhouse
Light In The GreenhouseLight In The Greenhouse
Light In The Greenhouse
 
Alt Crop Systems
Alt Crop SystemsAlt Crop Systems
Alt Crop Systems
 
Irrigation for the Greenhouse
Irrigation for the GreenhouseIrrigation for the Greenhouse
Irrigation for the Greenhouse
 

Kürzlich hochgeladen

MoneyBridge Pitch Deck - Investor Presentation
MoneyBridge Pitch Deck - Investor PresentationMoneyBridge Pitch Deck - Investor Presentation
MoneyBridge Pitch Deck - Investor Presentationbaron83
 
Intellectual Property Licensing Examples
Intellectual Property Licensing ExamplesIntellectual Property Licensing Examples
Intellectual Property Licensing Examplesamberjiles31
 
To Create Your Own Wig Online To Create Your Own Wig Online
To Create Your Own Wig Online  To Create Your Own Wig OnlineTo Create Your Own Wig Online  To Create Your Own Wig Online
To Create Your Own Wig Online To Create Your Own Wig Onlinelng ths
 
Upgrade Your Banking Experience with Advanced Core Banking Applications
Upgrade Your Banking Experience with Advanced Core Banking ApplicationsUpgrade Your Banking Experience with Advanced Core Banking Applications
Upgrade Your Banking Experience with Advanced Core Banking ApplicationsIntellect Design Arena Ltd
 
UNLEASHING THE POWER OF PROGRAMMATIC ADVERTISING
UNLEASHING THE POWER OF PROGRAMMATIC ADVERTISINGUNLEASHING THE POWER OF PROGRAMMATIC ADVERTISING
UNLEASHING THE POWER OF PROGRAMMATIC ADVERTISINGlokeshwarmaha
 
Fabric RFID Wristbands in Ireland for Events and Festivals
Fabric RFID Wristbands in Ireland for Events and FestivalsFabric RFID Wristbands in Ireland for Events and Festivals
Fabric RFID Wristbands in Ireland for Events and FestivalsWristbands Ireland
 
MC Heights construction company in Jhang
MC Heights construction company in JhangMC Heights construction company in Jhang
MC Heights construction company in Jhangmcgroupjeya
 
Borderless Access - Global Panel book-unlock 2024
Borderless Access - Global Panel book-unlock 2024Borderless Access - Global Panel book-unlock 2024
Borderless Access - Global Panel book-unlock 2024Borderless Access
 
A flour, rice and Suji company in Jhang.
A flour, rice and Suji company in Jhang.A flour, rice and Suji company in Jhang.
A flour, rice and Suji company in Jhang.mcshagufta46
 
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdfChicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdfSourav Sikder
 
TalentView Webinar: Empowering the Modern Workforce_ Redefininig Success from...
TalentView Webinar: Empowering the Modern Workforce_ Redefininig Success from...TalentView Webinar: Empowering the Modern Workforce_ Redefininig Success from...
TalentView Webinar: Empowering the Modern Workforce_ Redefininig Success from...TalentView
 
PDT 88 - 4 million seed - Seed - Protecto.pdf
PDT 88 - 4 million seed - Seed - Protecto.pdfPDT 88 - 4 million seed - Seed - Protecto.pdf
PDT 88 - 4 million seed - Seed - Protecto.pdfHajeJanKamps
 
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...AustraliaChapterIIBA
 
Project Brief & Information Architecture Report
Project Brief & Information Architecture ReportProject Brief & Information Architecture Report
Project Brief & Information Architecture Reportamberjiles31
 
Michael Vidyakin: Introduction to PMO (UA)
Michael Vidyakin: Introduction to PMO (UA)Michael Vidyakin: Introduction to PMO (UA)
Michael Vidyakin: Introduction to PMO (UA)Lviv Startup Club
 
Cracking the ‘Business Process Outsourcing’ Code Main.pptx
Cracking the ‘Business Process Outsourcing’ Code Main.pptxCracking the ‘Business Process Outsourcing’ Code Main.pptx
Cracking the ‘Business Process Outsourcing’ Code Main.pptxWorkforce Group
 
Plano de marketing- inglês em formato ppt
Plano de marketing- inglês  em formato pptPlano de marketing- inglês  em formato ppt
Plano de marketing- inglês em formato pptElizangelaSoaresdaCo
 
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...Brian Solis
 
Lecture_6.pptx English speaking easyb to
Lecture_6.pptx English speaking easyb toLecture_6.pptx English speaking easyb to
Lecture_6.pptx English speaking easyb toumarfarooquejamali32
 

Kürzlich hochgeladen (20)

MoneyBridge Pitch Deck - Investor Presentation
MoneyBridge Pitch Deck - Investor PresentationMoneyBridge Pitch Deck - Investor Presentation
MoneyBridge Pitch Deck - Investor Presentation
 
Intellectual Property Licensing Examples
Intellectual Property Licensing ExamplesIntellectual Property Licensing Examples
Intellectual Property Licensing Examples
 
To Create Your Own Wig Online To Create Your Own Wig Online
To Create Your Own Wig Online  To Create Your Own Wig OnlineTo Create Your Own Wig Online  To Create Your Own Wig Online
To Create Your Own Wig Online To Create Your Own Wig Online
 
Upgrade Your Banking Experience with Advanced Core Banking Applications
Upgrade Your Banking Experience with Advanced Core Banking ApplicationsUpgrade Your Banking Experience with Advanced Core Banking Applications
Upgrade Your Banking Experience with Advanced Core Banking Applications
 
UNLEASHING THE POWER OF PROGRAMMATIC ADVERTISING
UNLEASHING THE POWER OF PROGRAMMATIC ADVERTISINGUNLEASHING THE POWER OF PROGRAMMATIC ADVERTISING
UNLEASHING THE POWER OF PROGRAMMATIC ADVERTISING
 
Fabric RFID Wristbands in Ireland for Events and Festivals
Fabric RFID Wristbands in Ireland for Events and FestivalsFabric RFID Wristbands in Ireland for Events and Festivals
Fabric RFID Wristbands in Ireland for Events and Festivals
 
MC Heights construction company in Jhang
MC Heights construction company in JhangMC Heights construction company in Jhang
MC Heights construction company in Jhang
 
Borderless Access - Global Panel book-unlock 2024
Borderless Access - Global Panel book-unlock 2024Borderless Access - Global Panel book-unlock 2024
Borderless Access - Global Panel book-unlock 2024
 
A flour, rice and Suji company in Jhang.
A flour, rice and Suji company in Jhang.A flour, rice and Suji company in Jhang.
A flour, rice and Suji company in Jhang.
 
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdfChicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
Chicago Medical Malpractice Lawyer Chicago Medical Malpractice Lawyer.pdf
 
TalentView Webinar: Empowering the Modern Workforce_ Redefininig Success from...
TalentView Webinar: Empowering the Modern Workforce_ Redefininig Success from...TalentView Webinar: Empowering the Modern Workforce_ Redefininig Success from...
TalentView Webinar: Empowering the Modern Workforce_ Redefininig Success from...
 
PDT 88 - 4 million seed - Seed - Protecto.pdf
PDT 88 - 4 million seed - Seed - Protecto.pdfPDT 88 - 4 million seed - Seed - Protecto.pdf
PDT 88 - 4 million seed - Seed - Protecto.pdf
 
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
IIBA® Melbourne - Navigating Business Analysis - Excellence for Career Growth...
 
Project Brief & Information Architecture Report
Project Brief & Information Architecture ReportProject Brief & Information Architecture Report
Project Brief & Information Architecture Report
 
Michael Vidyakin: Introduction to PMO (UA)
Michael Vidyakin: Introduction to PMO (UA)Michael Vidyakin: Introduction to PMO (UA)
Michael Vidyakin: Introduction to PMO (UA)
 
Cracking the ‘Business Process Outsourcing’ Code Main.pptx
Cracking the ‘Business Process Outsourcing’ Code Main.pptxCracking the ‘Business Process Outsourcing’ Code Main.pptx
Cracking the ‘Business Process Outsourcing’ Code Main.pptx
 
WAM Corporate Presentation Mar 25 2024.pdf
WAM Corporate Presentation Mar 25 2024.pdfWAM Corporate Presentation Mar 25 2024.pdf
WAM Corporate Presentation Mar 25 2024.pdf
 
Plano de marketing- inglês em formato ppt
Plano de marketing- inglês  em formato pptPlano de marketing- inglês  em formato ppt
Plano de marketing- inglês em formato ppt
 
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
The End of Business as Usual: Rewire the Way You Work to Succeed in the Consu...
 
Lecture_6.pptx English speaking easyb to
Lecture_6.pptx English speaking easyb toLecture_6.pptx English speaking easyb to
Lecture_6.pptx English speaking easyb to
 

Cooling