Uma kuziwa eminyango yegalaji, abanikazi bezindlu abaningi bakhetha ukuthi basebenze ngokushelela nangokuthula.Enye yezindlela zokufeza lokhu iwukugcoba izingxenye ezihambayo zomnyango wegalaji, njengethrekhi, amahinge, namarola.Kodwa-ke, ukukhetha i-lubricant efanele yomnyango wakho wegaraji kungaba qui ...
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