Xa kuziwa kumbhobho wePVC, awuyi kuqhelana nawo kuba uqhelekile, kodwa xa kuziwa kwimveliso yomatshini wokukhuphela umbhobho wePVC, akufuneki uqhelene nawo, kukwinkqubo yokuvelisa umbhobho wePVC. , sihlala sibona uhlobo lwezixhobo, oko kukuthi, i-PVC ipayipi yokubetha ...
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