Kwishishini le-fastener, indima ye-washers ihamba kakhulu ngaphaya komsebenzi omnye wokukhusela umphezulu wezixhumi kwimikrwelo ebangelwa ngamantongomane. Kukho iindidi ngeendidi zeegaskets, ezibandakanya iigaskets ezisicaba, iigaskets zasentwasahlobo, i-anti-lexeng gaskets, kunye neenjongo ezikhethekileyo...
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