1) Indawo yokugcina isinyithi okanye indawo yokugcina impahla, kufuneka ikhethwe kwindawo ecocekileyo, egudileyo yokukhupha amanzi, kude neegesi ezinobungozi okanye iifektri zothuli kunye nemigodi. Ubukho emhlabeni ukucoca lonke ukhula kunye nenkunkuma, ukugcina intsimbi ecocekileyo; 2) Kwindawo yokugcina impahla engena acid, ialkali, ityuwa, isamente, intsimbi kunye nezinye...
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