This little book is big on answers Whether you"re an apprentice in the piping trades or a seasoned tradesperson, 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 * Steam heating, hot water, refrigeration, and air conditioning systems * Grooved end/plain end piping systems * Process piping using plastics * Automatic fire protection systems * Terms, BTU fuel values, abbreviations, angle calculations, and more