Autor: |
Stranks, Jeremy |
Předmět: |
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Zdroj: |
A-Z of the Environment. 2008, p247-249. 3p. |
Abstrakt: |
A definition of the term "local exhaust ventilation (LEV) systems" is presented. It refers to a system which should remove the airborne contaminant to a site of production before the contaminant can be inhaled. It may be fixed as a laboratory fume cupboard or portable as in the case of a welding fume extraction unit. It takes the form of receptor systems and captor systems. |
Databáze: |
GreenFILE |
Externí odkaz: |
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