Ngati mukuyang'ana tebulo lozungulira lomwe ndi losavuta kunyamula, limasunga malo, othandiza komanso okongola, ndiye kuti mukhoza kukhala ndi chidwi ndi matebulo awiri ozungulira awa.Onse amapangidwa ndi nsonga za tebulo za polyethylene (HDPE) zolimba kwambiri komanso mafelemu ndi miyendo yachitsulo yokhala ndi ufa, yomwe imakhala yolimba, yopanda madzi, ...
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