corrosion protection water supply pipelines

Ho bola ha lipeipi tsa phepelo ea metsi liindasteri ha se taba ea tlhokomelo feela - ke phephetso e kholo ea ts'ebetso e ka lebisang ho hloleheng ha sistimi., tlhahiso ea nako, likotsi tsa polokeho, le tahlehelo e kholo ea lichelete. Ho utloisisa indasteri…