EN 149 ke tekanyetso ea Europe ea tlhahlobo le litlhoko tsa ho tšoaea bakeng sa ho sefa limaske tse halofo.Li-mask tse joalo li koahela nko, molomo le selelu 'me li ka ba le li-valve tsa ho hema le/kapa tsa ho hema.EN 149 e hlalosa lihlopha tse tharo tsa limaske tse joalo tsa halofo, tse bitsoang FFP1, FFP2 le FFP3, (moo FFP e emelang filte ...
Bala haholoanyane