Nkọwa
Ọrụ nke apron mmetụta bụ iguzogide mmetụta nke ihe ọkụkụ na-akụ ihe ọkụkụ, nke mere na ihe ahụ na-emeghachi azụ na oghere mmetụta, na-eme ka mmetụta ahụ gwepịa ya ọzọ iji nweta nha ngwaahịa achọrọ. A na-eji ihe mkpuchi mkpuchi nwere ihe mkpuchi nke manganese na-eguzogide ma ọ bụ ígwè ọcha chromium dị elu, nke a na-ejikarị efere ígwè na-agbado ya. A na-eji ígwè dị elu manganese eme ihe n'akụkụ ọwụwa anyanwụ n'ozuzu nkedo, na isi ike ya dị elu karịa nke usoro welded nkịtị. Nhazi a nyere ogologo ndụ ọrụ.
Nọmalị mmetụta crusher nwere 2 ma ọ bụ 3 mmetụta aprons. A na-ewepụ ha site na etiti elu ma ọ bụ na-edozi na etiti ala. A na-edobe efere mmetụta mmetụta na apron mmetụta na bolts. N'oge usoro ngwepịa, mmetụta mkpuchi mkpuchi na-emetụta nkume ndị a gbajiri agbaji. Mgbe ihe ndị na-abụghị nke a na-echihịa n'ahụ na-abanye n'ime ihe ọkụkụ ahụ, mmetụta mmetụta dị na efere counterattack na-abawanye nke ọma, na-amanye eriri eriri ka ọ na-eme ka ọ bụrụ ihe na-eme ka ọkpụkpụ na-egbuke egbuke na-eme ka ọkpụkpụ na-atụgharị na-ebuli elu, na-ekwe ka ihe ndị ahụ na-adịghị emetụ n'ahụ na-ahapụ, na-eme ka nchekwa nke etiti ọkpụkpụ. Ke adianade do, site n'ịgbanwe na nut na tie mkpanaka bolt, ọdịiche size n'etiti hama isi na mmetụta apron nwere ike ịgbanwe, si otú ịchịkwa urughuru size nso nke anuahade ngwaahịa.
