relief gases
121pharmaceutical industry — Producers of pharmaceuticals, substances used in the diagnosis, treatment, and prevention of disease and the modification of organic functions. The earliest records of medicinal plants and minerals are those of the ancient Chinese, Hindu, and… …
122VRLA battery — A valve regulated (sealed) lead–acid battery A VRLA battery (valve regulated lead–acid battery) is a type of low maintenance lead–acid rechargeable battery. Because of their construction, VRLA batteries do not require regular addition of water to …
123Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …
124Gray Davis — This article is about a Governor of California. For the North Carolina politician and lawyer, see Joseph J. Davis. For the pipe organ builder, see Gray Davison. Gray Davis Gray Davis on September 2, 2010. 37th Governor of California …
125Mount Pelée — Mount Pelee Elevation 1,397 m (4,583 ft) …
12631st G8 summit — Infobox G8 summit name = 31st G8 summit year = 2005 caption = 31rst G8 Summit official logo country = United Kingdom dates = July 6 – July 8, The 31st G8 summit was held from July 6 to July 8 2005 at the Gleneagles Hotel in Auchterarder, Perth… …
127Sokol space suit — The Sokol space suit (Russian: Cокол, Falcon ) is a type of Russian space suit, worn by anyone who flies on the Soyuz spacecraft. It was introduced in 1973 and is still used as of 2008. The Sokol is described by its makers as a rescue suit… …
128Reduced pressure zone device — A Reduced Pressure Zone Device (RPZD, RPZ or RPZ valve) is a type of backflow prevention device used to protect water supplies from contamination. An RPZD is considered suitable for high hazard applications, that is, where the consequence of… …
