Playdị mmanye kachasị mma na-ewu ewu - DCR pịnye akpaaka na-akpaghị aka lubricatic mmanụ - jianhe
A ma ama ama ama ama ama ama ama-usoro -DCr ụdị akpaaka igwe na-adọkpụ - jianhedetail:
Ihe onyonyo zuru ezu:
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Ntuziaka Ngwaahịa metụtara:
Site na ezigbo njikwa anyị, ike ọrụ siri ike na sistemụ nchịkwa siri ike, anyị na-aga n'ihu na-enye ndị ahịa anyị nwere ezi obi ziri ezi, ọnụ ahịa kwesịrị ekwesị, ọnụ ahịa kwesịrị ekwesị na ezigbo ọrụ. Anyị na-akpalite ịghọ otu n'ime ndị mmekọ kachasị nwee ntụkwasị obi ma na-enweta afọ ojuju ị ga-ewepụta lubrication - ji: Ottawa, ihe mere anyị ga-eji mee ihe ndị a? N'ihi na: a, anyị na-akwụwa aka ọtọ na ntụkwasị obi. Ngwaahịa anyị nwere ọnụahịa dị mma, mara mma, ikike ọkọnọ na ọrụ zuru oke. B, ọnọdụ ala anyị nwere uru dị ukwuu. C, ụdị dị iche iche: Anakwere nyocha gị, a ga-enwe ekele dị ukwuu.