PPGI ndiro ndiro yesimbi yakafukidzwa (yakaputirwa negalvanized, aluminized zinc, nickel-plated, nezvimwewo) yekurapa makemikari pamusoro (kubvisa mafuta, phosphating, chromic acid passivation), yozoputirwa nependi, uye zvigadzirwa zvakabikwa.

Zvakanakira: ine simba resimbi uye inoshanda zviri nyore kugadzira, uye zvinhu zvakasikwa zvine simba rekushongedza uye kuramba ngura. Kuputira kwacho kwakasimba uye kunogona kuchengetedza ruvara rutsva kwenguva yakareba.

Kushandiswa: kushandiswa zvakanyanya mukuvaka, midziyo yemumbafenicha, nzvimbo dzeveruzhinji nedzekufambisa nedzimwe nzvimbo.