Mgbe a bịara n'ichekwa ngwongwo gị bara uru, mkpọchi eriri akpaaka na-eweghachi azụ bụ ngwọta nchekwa kacha.A na-eji plastik ABS injinia kachasị mma mee mkpọchi anyị, ejiri eriri igwe anaghị agba nchara ma kpuchie ya na mkpuchi PVC, nke na-abụghị naanị na-eguzogide corrosion, kamakwa ...
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