Pharaoh definition, meaning, English dictionary, synonym, see also 'Pharaoh ant',Pharaoh's ant',Pharaoh ant',Pharos', Reverso dictionary, English definition, English vocabulary Translation Context
The intake to this ventilation. system must be near the floor. (Chlorine as a gas is. 2.5 times heavier than air.) Exhaust Rate The exhaust system must be able to exchange the air. in the room every three to four minutes.
Chlorine gas is a pulmonary irritant with intermediate water solubility that causes acute damage in the upper and lower respiratory tract. Chlorine gas was used as a chemical weapon in World War I. Currently, occupational exposures constitute the highest risk for serious toxicity from high-concentration chlorine.