Whether you're an apprentice in the piping trades or a seasoned tradespersons, you'll find this completely revised and updated guide has answers to the questions you'll encounter on the job. Get current, concise facts on metrics and conversions, tungsten inert gas welding and arc welding, grooved end/plain end piping systems, process piping using plastics, automatic fire protection systems, terms, BTU fuel valves, abbreviations, angle calculations, steam heating, hot water, refrigeration, and air conditioning systems, and more.