Zvipikiri zvakawanda zvakagadzirwa nesimbi. Aluminium, ndarira, ndarira, ndarira, shangu, simbi yesimbi, Nickel sirivheri,
Mala, zinc, nesimbi zvinoshandiswawo. Galvanized zvipikiri zvakavezwa ne zinc kuvapa kuwedzerwa
kurwisa kuramba. Yakakwenenzverwa Simbi zvipikiri zvinoiswa pamurwi kuti uvape iyo bhuruu nzombe yekupedzisa
iyo inopa imwe huwandu hwehutongi hwekupokana. Inonzi inonzi coment-coated zvipikiri zviri chaizvo
akabatanidzwa nepurasitiki resin kuti avandudze kubatwa kwavo. Dzimwe brads dzinopihwa ruvara rwe enamel coating
Nei mitezo miviri uye zviyero zvakagadzirwa kubva mumasimbe akasiyana?
