Njirimara

1)      Ihe mgbochi mgbochi mgbochi nwere ike belata slips na daa site na ịba ụba traction, ọbụlagodi mgbe ekpomoku na kemịkal.

2)      Ihe mgbochi mgbochi mgbochi nwere ezigbo nguzogide abrasion, na ezigbo ihe nkwuputara nke ulo, nguzogide ịka nká, mara nma ma nwee ntukwasi

Ngwa

1)      Enwere ike iji ya mee ihe n'ọnụ ụzọ, ọnụ ụzọ, mbata ibo ụzọ, steepụ, ngwa agha nke na-ebuli elu, ihe ndagide na ndị ọzọ.

2)      Ihe mgbochi mgbochi mgbochi  na-eme ka enweghachi mmetụta na ụzọ adịghị agafe agafe.

3)      Ọ dị mfe iwu ma dị ọcha.

Ngwongwo Nkịtị

Nha

Nkọwa ndị ọzọ