Odm dị elu na-akpọ lubrication usoro ederede - Ntí ụdị mgbanwe a na-eleba anya - Jianhe
Odm dị oke mma na-akpọ lubrication usoro okwu -Ht ụdị onye nkesa na - emegharị - JIANHEDEDAIL:
Ihe onyonyo zuru ezu:

Ntuziaka Ngwaahịa metụtara:
Iji mezuo mkpa onye ahịa, arụ ọrụ niile na-arụ ọrụ na usoro anyị: Singapore, anyị na-ekwe nkwa na ngwaahịa ndị niile na-ekwu okwu, anyị na-ebute ngwaahịa niile kachasị mma, ọnụ ahịa asọmpi kachasị mma, ọnụ ahịa asọmpi kachasị mma nnyefe. Anyị nwere olile anya imeri ọdịnihu maka ndị ahịa na onwe anyị.