Ana kwaikwayon yadda tawul ɗin da ke sha ruwa a fatar jiki, kwanuka da kuma saman kayan daki a zahiri don gwada shan ruwa, wanda ya dace da gwajin shan ruwa na tawul, tawul ɗin fuska, tawul ɗin murabba'i, tawul ɗin wanka, tawul ɗin tawul da sauran kayayyakin tawul.
Cika ka'idar:
ASTM D 4772 – Hanyar Gwaji ta Daidaitacce don Sha Ruwan Sama na Yadin Tawul (Hanyar Gwaji Mai Gudawa)
GB/T 22799 “—Kayan tawul Hanyar gwajin sha ruwa”
