Each compressed gas cylinder must be clearly labeled to indicate the contents. Check connections and hoses regularly for leaks using a specific monitoring instrument or soapy water (or equivalent).

Compressed gas cylinders of all shapes and sizes are used all over campus for everything from welding to research. Compressed gas cylinders pose two types of risks when used, stored, or handled. The ...

THE liquefaction of air, and the rest of the so-called permanent gases, is an achievement which belongs to quite recent times. Faraday cooled and compressed gases by such means as were at his ...