1. Umbuzo wokuqala oza kuqinisekiswa ngulo: Ngaba zonke iirivethi ze-aluminiyam zisetyenziswa?Ukuba yi-aluminiyam cap ye-iron rivet, intloko yesikhonkwane emva kokuba i-riveting iya kuba nomhlwa xa isongelwe kwi-cap ye-nail.
2. I-countersunk intloko idonsa i-rivet ayinakukwazi ukufumana i-drum, ehambelana ne-breakpoint ye-rivet rivet, ebangelwa ukungonelwa koxinzelelo.
Ixesha lokuposa: Mar-02-2022