YY191A Umvavanyi wokufunxwa kwamanzi kwiimpahla ezingalukwanga kunye neetawuli (eTshayina)

Ukufunxwa kwamanzi kweetawuli eluswini, ezityeni nakumhlaba wefenitshala kwenziwa ebomini bokwenyani ukuvavanya ukufunxwa kwamanzi, okufanelekileyo kuvavanyo lokufunxwa kwamanzi kweetawuli, iitawuli zobuso, iitawuli ezisikwere, iitawuli zokuhlamba, iitawuli kunye nezinye iimveliso zetawuli.

Hlangana nomgangatho:

I-ASTM D 4772– Indlela yoVavanyo oluQhelekileyo lokuFunxa Amanzi angaphezulu kwiTawuli (Indlela yoVavanyo lokuhamba kwamanzi)

GB/T 22799 “—Imveliso yethawula Indlela yokuvavanya ukufunxwa kwamanzi”