6.5.12 gas cylinders with a pressure control device must be good condition the flow and pressure of the gas in the tank must be in good condition. To prevent falling while working or are based on a solid thing with fixing strength.
6.5.12 Containers with pressure. Must be in good condition and controls the flow and pressure of gas in the tank. Must be in good condition. Required to prevent falling while in use. Or a fixation with something strong.
6.5.12 containers, gas pressure, condition, good control the flow and pressure of the แก๊สใน tanks must be in good condition, always needs to be protected to fall while in use. Or a fixation with what strengthen.