furnace plants
121Metacomet Trail — This topic is about a footpath in Connecticut. It should not be confused with the similarly named Metacomet Monadnock Trail of Massachusetts and New Hampshire. Metacomet Trail Bl …
122Geothermal heat pump — A geothermal heat pump system is a heating and/or an air conditioning system that uses the Earth s ability to store heat in the ground and water thermal masses. These systems operate based on the stability of underground temperatures: the ground… …
123Arches National Park — IUCN Category II (National Park) …
124Vicon — Cement VICON or high performance cement can be made to order: from super strong cements with rugged durability to low cost cements with up to 70% mineral additives. To use a high volume of mineral additives (sand, limestone, natural pozzolans or… …
125Arches-Nationalpark — Delicate Arch, das Wahrzeichen Utahs …
126nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
127Massanutten Trail — View of Massanutten Mountain, which the Massanutten Trail traverses Length 71 mi; Location George Washington National Forest, Virginia, United States …
128Blast — (bl[.a]st), n. [AS. bl[=ae]st a puff of wind, a blowing; akin to Icel. bl[=a]str, OHG. bl[=a]st, and fr. a verb akin to Icel. bl[=a]sa to blow, OHG. bl[^a]san, Goth. bl[=e]san (in comp.); all prob. from the same root as E. blow. See {Blow} to… …
