Ụlọ ọrụ anyị nwere ike ịmepụta njikọ dị iche iche nke usoro egwu dị iche iche nke sitere na 90mm ruo 226mm, ha dị mma maka ụdị crawler dị iche iche nke excavator, bulldozer, igwe ugbo na igwe pụrụ iche.
Agbụ egwu akọrọ, eriri egwu gwupụtachara ma tee mmanụ, ụdọ mmanye maka ngwa arụmọrụ dị elu.
Emeela usoro egwu ahụ ọgwụgwọ siri ike nke na-ajụkarị, nke na-eme ka ike ya dị elu na nguzogide abrasion.
The ntụtụ na-mere tempering na elu-ajụ-ugboro quenching ọgwụgwọ, nke ana achi achi zuru ezu hardness nke isi na abrasion iguzogide nke mpụga sunaces.
A na-eme ohia ahụ na carbonization na ọgwụgwọ ikuku na-ajụkarị ugboro ugboro, nke na-eme ka ike sie ike nke isi na nguzogide abrasion nke ime na mpụga.