Pambuyo pazaka zambiri zogwiritsa ntchito chitoliro cha pulasitiki, zimakhudza mwachindunji moyo wa ntchito ndi zinthu zapamwamba komanso zamisiri zopangidwa zapamwamba ndi zokonda zapulasitizi zapamwamba kwambiri; tsatanetsatane:
1. kupanga chitoliro cha pulasitiki
1. pamchere pamwamba pa chitoliro chachitsulo choyambirira;
2. Kenako kutentha chitoliro cha kaboni pakati pa madigiri;
{{{0} khonde lamkati la chitoliro lokutidwa ndi pulasitiki yama polyethylene;
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