This document discusses the importance of hygiene standards in the workplace. It outlines some of the historical developments that highlighted the role of hygiene, including the understanding of the link between contaminated water and disease transmission. The document then discusses various workplace dangers like exposure to heavy metals, chemicals and bloodborne pathogens. It notes that without proper safety measures and regulation, such exposures can lead to infections, illness and other health issues. The document concludes by emphasizing basic hygiene practices like hand washing and building immunity to help protect against potential exposures.