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.
Itâs chlorine gas, and itâs poisonous. Depending on the concentration in the air and duration of exposure, chlorine gas causes minor to severe eye and respiratory tract irritation as noted by red, itchy, watery eyes, runny nose, cough, chest burning and tightness, and difficulty breathing.