Respirator, 3m respirator, north respirator
Respirator, 3m respirator, north respirator
terça, 27 junho, 2006
Respirator, 3m respirator, north respirator


A respirator is a device designed to protect the wearer from inhaling harmful dusts, fumes, vapors, and/or gases. Respirators come in a wide range of types and sizes used by the military, private industry, and the public.

There are two main categories: the air-purifying respirator, which forces contaminated air through a filtering element, and the air-supplied respirator,in which an alternate supply of fresh air is delivered. Within eachcategory, different techniques are employed to reduce or eliminatenoxious airborne contents.


postado por 29633 as 07:56:02 # 0 comentários
 
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Respirator, 3m respirator, north respirator

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