Lesela la PE UD, leo hape le tsejoang e le lesela la polyethylene unidirectional, ke lesela le feto-fetohang le sebelisoang haholo liindastering tse fapaneng ka lebaka la litšobotsi tsa lona tse ikhethang.Hore na ke lisebelisoa tsa ts'ireletso, lihlomo, kapa lisebelisoa tse sebetsang hantle haholo, ho utloisisa ...
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