Lisebelisoa tsa Pipe tsa tšepe tse ka tšeptjoang Sena se sebelisoa khokahanong ea liphaephe tse tsamaisang lipuid joalo ka metsi, khase, oli, mouoane joalo-joalo. Phekolo ea Bokaholimo: Natrue Black，Hot Dip Galvanizing，Eletro-Galvanizing，Painting，Ho fafatsa
