1, Chitsulo ndi electroplating oxidation luso, kamangidwe kake.
2, Kuchita ndi wokamba waya wamkuwa, khalidwe loyambirira.
3, Theka-khutu chipolopolo kapangidwe, ofewa ndi omasuka.
4, Sewerani / kuyimitsa, kusintha kwanyimbo, kusintha kwa voliyumu, kosavuta kugwiritsa ntchito
5, Kuchita ndi chingwe cha TPE, chofewa komanso chowoneka bwino.