1, Mechanical abụọ-kwadoro kpo oku, nke mere na okpomọkụ shrinkage, mmiri ngwaahịa nwere ike elu na ala n'otu oge site okpomọkụ, na elu na ala okpomọkụ dị iche bụ obere, ngwaahịa okpomọkụ shrinkage, mmiri usoro na-adịghị oruru, ọ bụghị mgbawa, àgwà na nkwụsi ike.
2, mgbakọ akara mode nri, okpomọkụ shrinking, mmiri ọsọ, elu arụmọrụ, ukwuu mma mmepụta arụmọrụ.
3, oghe Ọdịdị, nwere ike ime ka ngwaahịa mpaghara kpo oku, iji gbochie mmebi nke akụkụ ndị ọzọ nke ngwaahịa components.
4, Heating okpomọkụ na ibuga ọsọ nwere ike gbanwee na-achịkwa izute okpomọkụ na arụmọrụ chọrọ nke dị iche iche na ngwaahịa.
5, Chassis abụọ shei imewe, na n'etiti Sanwichi na elu-okpomọkụ mkpuchi owu, nke mere na okpomọkụ nke mputa nke shei agaghị ekpo oke ọkụ, ọ bụghị nanị na-eme ka ndị na-arụ ọrụ na gburugburu ebe obibi dị mma, kamakwa iji belata ume n'efu. .
