Small Hose System 2 : Means a system of hoses ranging in diameter from 5/8" (1.6 cm) up to 1 1/2" (3.8 cm) which is for the use of employees and which provides a means for the control and extinguishment of incipient stage fires
US Department of Labor, Occupational Safety & Health Administration, Shipyard Employment eTools - Glossary, Washington, DC, USA 2012. http://www.osha.gov/SLTC/etools/shipyard/glossary. html, (Shipyard Employment - Amer) {562}