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Zida zoyikamo chakudya nthawi zambiri zimagawika kukhala plastic.metal.paper.etc,Pulasitiki ndiye chinthu chomwe chimagwiritsidwa ntchito kwambiri.kuwerengera 50% yazinthu zonse zopakira.zambiri.za 60% zili m'matumba apulasitiki osinthika.ndipo chiwerengerocho chikadalipobe. Rising.Alth...Werengani zambiri»
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Mumsika wamabotolo achikhalidwe chazodzikongoletsera.mabotolo a zodzikongoletsera zamagalasi pamsika ndi gawo la kuwala mu chidebe.zitha kuwonetsa mawonekedwe apamwamba a zodzikongoletsera. mwa...Werengani zambiri»
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M'zaka zapitazi kugwiritsa ntchito zopangira zitsulo m'mitundu yonse ya zakudya zopangira zakudya.chochitika cha kukula pang'onopang'ono.Kuwonjezeka kwa chidziwitso cha thanzi pakati pa ogula kwakhala ndi zotsatira zoipa pa kulongedza zitsulo zamagulu a zakudya.monga zipatso zamzitini ndi supu.zomwe nthawi zambiri zimaganiziridwa. ...Werengani zambiri»
