2. The new kio should be subjected to a load test, and the opening of the measuring kio should not exceed 0.25% of the original opening.
3.During use, check whether the kio is cracked or severely deformed, corroded and worn.
4. Awọnkioyẹ ki o ṣe idanwo lẹẹkan ni ọdun kan. Lakoko idanwo naa, ṣe idanwo aimi ti awọn akoko 1.25 ni fifuye iṣẹ laaye fun awọn iṣẹju 10, ati ṣayẹwo pẹlu gilasi titobi tabi awọn ọna miiran. Ko yẹ ki o wa awọn dojuijako, awọn dojuijako ati abuku to ku.
5. Awọn apa eewu mẹta yẹ ki o di mimọ pẹlu kerosene. Lo gilasi titobi lati rii boya awọn dojuijako wa. Fun awokios, ṣayẹwo awọn igbo ati awọn pinni fun yiya.
6. Defects on the kio shall not be repaired.