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.
The human body absorbs chlorine primarily through inhalation but also via the skin. At low levels, chlorine inhalation causes irritation to the skin and eyes along with a sore throat or a cough. At higher levels, inhalation causes symptoms of asthma such as wheezing and tightness of the chest.