Bench na -egwu olulu T51 3660mm mgbatị mgbatị mgbatị elu maka Ngwuputa elu dị elu ala oghere DTH Rock Drilling T45 ndọtị mkpanaka mkpanaka ọsọ mkpanaka maka njikọta okwute.
Ngwa Ngwa
A na-ejikwa ọkpọkọ ebe a na-egwupụta ihe, nyocha ala na ụdị ọrụ mmiri niile (mmiri, mmanụ, gas, wdg). Ọkụ anyị na -egwu mmiri gụnyere ọkpọkọ nchara ígwè, igwe na -egwupụta akụ, ọkpọ mmiri na -egwu mmiri, ọkpọ mmiri mmanụ, API ịkụ ọkpọ, mkpanaka DTH, mkpanaka eriri waya, wdg. Anyị nwere ike wepụta dị ka arịrịọ gị nke nha carbide, ogologo dị iche iche nke mkpị mkpọpu.