2. The new ƙugiya should be subjected to a load test, and the opening of the measuring ƙugiya should not exceed 0.25% of the original opening.
3.During use, check whether the ƙugiya is cracked or severely deformed, corroded and worn.
4. Naƙugiyayakamata a gwada sau ɗaya a shekara. A lokacin gwajin, gudanar da gwajin a tsaye na sau 1.25 da izinin aikin aiki na mintina 10, kuma duba tare da ƙara girman gilashi ko wasu hanyoyin. Kada a sami fasa, fasa da nakasa.
5. Yakamata a tsaftace sassan uku masu haɗari da kananzir. Yi amfani da gilashin ƙara girma don ganin ko akwai fasa. Don farantinƙugiyas, duba bishiyoyi da fil don sawa.
6. Defects on the ƙugiya shall not be repaired.