WZS jerin hannu sugar gauge (refractometer) ne mai gani kayan aiki don auna ruwa matattarar. Mai sauki aiki, sauki kawo,

Abubuwan da ke da sauƙin amfani, ƙananan ma'auni, daidai da sauri. Yana sugar masana'antu gwaji, 'ya'yan itace gwaji, abinci da abin sha, teku aquaculture, kimiyya bincike da kuma inji kara

Kayan aiki na masana'antu.