Chitoliro cha HDPE ndikuyika mu Drainage

Ndi kufulumira kwa mizinda, kudalirika ndi kudalirika kwa kayendedwe ka ngalande zakhala zofunikira pazainjiniya wa tauni, mafakitale ndi ntchito zomanga. Pakati pa zipangizo zambiri chitoliro, HDPE mapaipi (polyethylene yapamwamba kwambiri ...