This little book is big on answersbr br 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.br br Get current, concise facts onbr Metrics and conversionsbr Tungsten inert gas welding and arc weldingbr Steam heating, hot water, refrigeration, and air conditioning systemsbr Grooved endplain end piping systemsbr Process piping using plasticsbr Automatic fire protection systemsbr Terms, BTU fuel values, abbreviations, angle calculations, and more