PPGI waa saxanka birta ah ee dahaarka leh (galvanized, zinc aluminized, nikkel-plated, iwm.) daaweynta kiimikada dusha sare (degreasing, fosfating, passivation chromic acid), ka dibna lagu dahaadhay rinji, ka dibna alaabta la dubay.

Faa'iidooyinka: waxay leedahay labadaba xoogga farsamada ee saxanka birta ah oo si sahlan loo qaabeeyo waxqabadka, iyo walxaha organic waxay leeyihiin caabbinta qurxinta iyo daxalka wanaagsan.

Codsiga: si ballaaran loo isticmaalo dhismaha, qalabka gurigaalaabta guriga, goobaha dadweynaha iyo gaadiidka iyo beeraha kale.