Inkampani yethu igxile ekuboneleleni ngezisombululo zokucoceka okuphezulu kwe-acrylamide kunye noxinzelelo lwe-30%, i-40%, kunye ne-50%, enokuthi yenziwe ngokweemfuno zabathengi. Iimveliso zineempawu zokucoceka okuphezulu, ukuphinda kusebenze ngamandla, umxholo wokungcola okuncinci, kwaye akukho thusi okanye i-iron ions. Ab...
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