Ndị na-eweta njakịrị na-egwuri egwu na-enye ndị na-eweta Wubrication - u - Bonuchive Dine - Jianhe
China a na-ahụ maka ịmịnyere lubrication usoro na-eweta -a - Blocks na-egbochi ihe - jinianhedetail:
Ihe onyonyo zuru ezu:
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Ntuziaka Ngwaahịa metụtara:
Ihe ohuru, ogo na ntụkwasị obi bu ezigbo ụkpụrụ nke ụlọ ọrụ anyị. Principleskpụrụ ndị a, ọ bụ karịa mgbe anyị ga-eme ihe ịga nke ọma dị ka ihe ịga nke ọma, a na-arụ ọrụ nke ọma, ngwaahịa a ga-enyefe ụwa niile, dị ka: Korea, Malaysia , Irish, 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 ịnwale ike anyị ịbụ ezigbo onye ibe gị.