Ngwaahịa a ma ama na-ewu ewu na-emepụta ngwa ahịa na-emepụta - ọ ga-eme ntuziaka mmanụ lubrication - jianhe
Ngwaahịa a ma ama na-ewu ewu nke sistemụ nrụọrụ - ọ ga-emeghe mmanụ mmanụ lubriction - jinianhedetail:
Ihe onyonyo zuru ezu:
Ntuziaka Ngwaahịa metụtara:
Anyị na-echekarị ma na-eme kwekọrọ na mgbanwe nke ọnọdụ, itolite. Anyị na-ebute ebumnuche nke uche na ahụ ya na ahụ na-adị ndụ maka ngwa agha nke ngwaahịa griiz na-eme ihe niile - Jianhe, El Salvador, Benin, Benin, Site na nkwado ndị a niile, anyị nwere ike ijere ndị ahịa ọ bụla na ngwaahịa dị mma ma mbupu oge site na mbufe oge. Ebe anyị bụ onye na-eto eto na-eto eto, mana anyị nwere ike kacha mma, mana anyị na-agba mbọ ike anyị ịbụ ezigbo onye ibe gị.