Izigxivizo zemishini noma ama-heavy-duty seals aklanyelwe izinhlelo zokusebenza ezijikelezayo endaweni enzima kakhulu lapho engakwazi ukumelana nokuguga okunzima kakhulu futhi avimbele ukungena kwemidiya yangaphandle ehubhukayo.Izigxivizo zokuphela kwemishini zaziwa ngokuthi ama-heavy-duty seal, ama-end seal, ama-floating seal, ama-life seal, ama-Toric seal, nama-multi-cone seal.