Pasin bilong ol bras stik long senis long envairomen bilong sakim korosen

Pes bilong bras i save kamapim wanpela strongpela 'protective film' bilong 'zinc oxide' o 'basic zinc carbonate', we i save soim gutpela 'corrosion resistance' insait long ol 'neutral' o 'weakly alkaline' envairomen. Long ol samting we i save bagarapim ol samting olsem solwara na ples we i gat planti wara, strong bilong en long sakim bagarap i gutpela moa long ol nomol 'carbon steel', tasol em i no strong tumas olsem 'stainless steel'. Em i gutpela long luksave olsem 'lead-' we i gat bras (olsem HPb59-1) i no save strongim wok bilong katim tasol tu i save daunim 'coefficient of friction' long rot bilong 'lubricating effect' bilong 'lead', na dispela i givim em gutpela samting long ol samting we i no inap bagarap.