Chigawo
Ndodo zamkati zankhondo, ndodo zakunja zankhondo, thimble, loop yopachikika yooneka ngati U, loop yowonjezera, bawuti, nati, ndi zina.
Khalidwe
1. Kupsyinjika kumagawidwa mofanana, popanda kuganizira kwambiri.Ikhoza kuteteza zingwe za kuwala bwino kwambiri.
2. Pansi pa chikhalidwe chosapitirira mphamvu ya kupanikizika kwa mbali ya chingwe, imakhala ndi mphamvu yogwiritsira ntchito chingwe, ndipo imatha kuthandizira mphamvu yapamwamba.
3. Mphamvu yogwiritsira ntchito chingwe sichidutsa 95% ya kukoka kwamphamvu kukana kwa chingwe cha optical, kukhutiritsa kwathunthu zosowa za kukhazikitsa chingwe.
Zida zopangira mzere: Waya wachitsulo wa aluminiyumu