Ukufakwa Kwepayipi
Isinciphisi sensimbi engagqwali sokushintsha kosayizi wamapayipi abushelelezi, anokumelana nokugqwala okungu-304/316, iziphetho ezilungele ukushiselwa, nobukhulu obunembile bamakhemikhali, ukudla, amanzi olwandle, namapayipi ezimboni.
