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  2. Workplace hazard controls for COVID-19 - Wikipedia

    en.wikipedia.org/wiki/Workplace_hazard_controls...

    Additional fundamental controls that protect unvaccinated and other at-risk workers include maintaining ventilation systems, implementing physical distancing, and properly using face coverings, and proper cleaning. Fully vaccinated people in areas of substantial or high transmission should be required to wear face coverings inside as well.

  3. Glossary of HVAC terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_HVAC_terms

    A damper or adjustable louver designed to augment the ventilation of a space during a fire. split system A split system is the combination of an outdoor unit and an indoor unit. This is the most common type of system. superheat The number of degrees a vapor is above its boiling point at a specific pressure. subcooling

  4. Grease duct - Wikipedia

    en.wikipedia.org/wiki/Grease_duct

    Grease duct exhaust fan. A grease duct is a duct that vents grease-laden flammable vapors from commercial cooking equipment such as stoves, deep fryers, and woks to the outside of a building or mobile food preparation trailer. Grease ducts are part of the building's passive fire protection system.

  5. Personal protective equipment - Wikipedia

    en.wikipedia.org/wiki/Personal_protective_equipment

    After this date, all PPE placed on the market in EU Member States was required to comply with the requirements of Directive 89/686/EEC and carry the CE Marking. Article 1 of Directive 89/686/EEC defines personal protective equipment as any device or appliance designed to be worn or held by an individual for protection against one or more health ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Emission standard - Wikipedia

    en.wikipedia.org/wiki/Emission_standard

    Emission standards are the legal requirements governing air pollutants released into the atmosphere. Emission standards set quantitative limits on the permissible amount of specific air pollutants that may be released from specific sources over specific timeframes. They are generally designed to achieve air quality standards and to protect ...