Tupela bikpela hap bilong mausgras i muv na mausgras i stap yet em tupela plet bilong mausgras i stap long maus bilong mausgras bilong mausgras, i gat wanpela hap bilong hai manganes ain (o ol narapela wear-resistant) samting i gat ol longitudinal tit, konkav na konveks relatif ektiviti i go long fiks jaw plet i gat tupela hap bilong tit {2} Ol i kolim pla plet plet plet plet plet plet plet plet bilong . operesen bilong mausgras i save brukim lo bilong maus . Ol i save bilip long muvmen bilong ol plet bilong tit, ol i save skwesim, bendim na brukim ore samting bilong winim as bilong krusing.
Jaw plet i bruk long ston, moa yet long ol hai hat samting i ken mekim strongpela presa lod operesen i go het yet, na ol samting, na ol samting i wok bung wantaim, na bai ol samting i ken kamapim chisel na jaw wear{{0} Aninit long ol wok kondisen bilong ol samting bilong krungutim, isi isi ol samting bilong maus i lus na i liklik, na strong na strong bilong en i no inap long go daun long namba {{1} Bikpela bilong en i lus na bruk, na bai ol i no inap kisim gutpela smel, na bai ol i no inap kisim gutpela smel, na ol i no inap kisim gutpela smel, na ol i no inap kisim gutpela smel, na ol i no inap long mekim wok bilong en i go daun. wok bilong krungutim wok i no gat mak bilong en na gutpela bilong dispela namba .
Bilong winim as bilong skruim taim bilong yusim tit plet na kamapim gut autput bilong ol ikwipmen, kasting i mas gat strongpela na wear-resistant sel na hai-resistant kor tisu. hai manganis stiel i gat ol kain kain kain karbid bai i gutpela tru aninit long ol wok kondisen bilong tit plet i stap long plate i .
Hae manganese steel i blong stiel taep wetem hae kabon konten, mo kabon amaon long hae manganes steel i plei wan impoten rol long wear resistens. Long jenerol, wetem inkris blong kabon, hadnes blong kabon konten i gud blong impruvum wear resistens blong steel.*…] Manganese em i nambawan samting long hai manganis stiel. Taim mak bilong kabon i stap klia, wantaim inkris bilong manganese konten, strong na strong bilong ain bai go antap tu. Olsem na nau planti manmeri bilong wokim ol jaw na ol kampani bilong wokim ol masin bilong wesan i wok long yusim moa yet ol hai manganis steel jaw plet .
