Trickle-Fill : In relation to the filling of a vehicle cylinder with gas, means that the vehicle cylinder filling is completed in a period exceeding 30 minutes
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}