http://netvouz.com/korea/tag/:zephyrarchangel?feed=rss korea's bookmarks tagged ":zephyrarchangel" on Netvouz http://profile.imeem.com/yBnevR/blogs/2006/12/12/ff-cel6s/structure_of_fire_extinguishers_dry_chemical_pressure_contained The Life of Fire Extinguishers Pressure Contained & Dry Chemicals all over the world... In structure of Fire Extinguishers there is a top pin to press under by the grips of fire extinguishers which can let the pressurized dry chemicals with Nitrogen gas( korea Tue, 12 Dec 2006 18:06:26 GMT