Kwiminyaka yakutshanje, umbhobho we-PVC we-layflat uye wavela njengotshintsho kulimo lwangoku, ukuguqula iindlela zokunkcenkceshela kunye nokuphucula ulawulo lwamanzi. Le mibhobho ikhaphukhaphu, ebhetyebhetye yenzelwe ukuthutha amanzi kunye nolunye ulwelo ngokulula, ibenze ibe lolona khetho lufanelekileyo kwifama...
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