Or the use or storage of gas in gas cylinders (cylinder) total 20 containers or more. Or the use or storage of gas cylinders are installed on the vehicle (tube trailer).
Or have quantity or store gases in gas cylinders. (Cylinder) total from 20 or more containers or use or store gases from the cylinders type installed on the vehicle (tube trailer).
or is the amount of gas in storage container or use gas (cylinder), total number of container 20, or the use or storage of gas containers installed on the car. (tube trailer).