Mavuvu apulasitiki okhazikika amachokera ku HDPE monga zopangira zopangira, zomwe zimagwiritsidwa ntchito kwambiri kumbuyo kwa simenti yokhazikika, dzenje la ndodo, kusindikiza bwino, kutayikira kwamadzi, kulimba kwa mphete, magawo ang'onoang'ono okangana, kukana kukalamba, ele. ...
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