1. Waya wa Nickel ndi chromium alloy ndi zipangizo zotetezera zimapanga zambiri mwazogulitsazo. Imatenthetsa msanga, imagwira ntchito bwino pakutenthetsa, ndipo imakhala ndi moyo wautali.
2. Rabara ya silicon, yomwe imakhala ndi kutentha kwamphamvu kwambiri komanso kugwira ntchito kosasinthasintha, imakhala ngati yoyambira.
3. Chinthucho ndi chosinthika ndipo chikhoza kukulungidwa molunjika pa chowotcha. Imatenthetsa mofanana ndipo imalumikizana bwino.