Safety Can 4 : An approved container, of not more than 19L (5 gal) capacity, having a spring closing lid and spout cover, and so designed that it will safely relieve internal pressure when subjected to fire exposure
US Department of Labor, Occupational Safety & Health Administration (OSHA), OSHA Office of Training and Education, Glossary of Terms, Construction Safety and Health Outreach Program, DC, USA 1996. http://www.osha.gov/doc/outreachtraining/htmlfiles /hazglos.html, Washington, (OSH - Amer) {516}