Chotsukira cha nickel cha mkuwa, chomwe chili ndi mphamvu zochepa zamagetsi, sichimatentha bwino komanso sichimazizira, chosavuta kuchikonza ndikuchilumikiza ndi lead. Chimagwiritsidwa ntchito popanga zinthu zofunika kwambiri mu thermal overload relay, low resistance thermal circuit breaker, ndi zida zamagetsi. Ndi chinthu chofunikira kwambiri pa chingwe chotenthetsera chamagetsi. Chimafanana ndi s type cupronickel. Nickel ikapangidwa kwambiri, pamwamba pake pamakhala siliva woyera kwambiri.

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