Pipe ea HDPE ke mofuta oa phala ea polasetiki e tenyetsehang e sebelisetsoang phetisetso ea mokelikeli le khase, 'me hangata e sebelisoa ho nkela konkreite e tsofetseng sebaka kapa liphaephe tsa tšepe tse kholo. E entsoe ho tloha thermoplastic HDPE (polyethylene e phahameng-e phahameng), boemo ba eona bo phahameng ba ho se hlolehe le tlamo e matla ea limolek'hule e etsa hore e tšoanelehe bakeng sa liphaephe tse phahameng tsa khatello. Peipi ea HDPE e sebelisoa lefatšeng ka bophara bakeng sa lits'ebetso tse joalo ka likhoele tsa metsi, likhoele tsa khase, likhoele tsa likhoerekhoere, likhoele tsa ho fetisoa ha seretse, nosetso ea mahaeng, likhoele tsa phepelo ea litsamaiso tsa mollo, kotopo ea motlakase le likhokahano, le lipeipi tsa metsi a sefefo le tsa drainage.