In the selection of fire extinguishers, factors such as the type of combustibles, the effectiveness of fire fighting, the degree of defacement of protected items, the difficulty of using fire extinguishers and so on should be taken into account.
Solid fire: fire extinguishers such as water type, foam, dry powder, haloalkane, etc.
Liquid or meltable solid fire: dry powder, foam, haloalkane, carbon dioxide, etc., chemical foam fire extinguisher shall not be used to fight water-soluble fire.
Gas fire: dry powder, haloalkane, carbon dioxide fire extinguisher.
Haloalkane, carbon dioxide and dry powder fire extinguishers should be selected to fight live equipment fires