Ihe mgbakwunye skru nke na-anaghị eji mmanụ eme ihe na-eme ka gburugburu ebe obibi dị mma, na-echekwa ike ma na-arụ ọrụ nke ọma, nke na-enweghị mmanụ, nke na-anaghị eji mmiri amị amị.

Igwe skru nke DW usoro mmiri lubricated na-enweghị mmanụ

Ọrụ mmụta onwe onye, ​​mmalite na nkwụsị amamihe

Chọpụta okpomọkụ gburugburu iji gbochie ọdịda okpomọkụ dị elu nke oke okpomọkụ gburugburu kpatara;

Chọpụta nrụgide njedebe nke ngwa nhazi mgbe emechara iji gbochie ọdịiche nrụgide ikuku agbakọrọ oke elu ma mebie ike eletrik;

Chọpụta okpomọkụ moto ma chebe moto ahụ