channel-type furnace
41Mechanical fan — Household electric box fan with a propeller style blade A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air. A fan consists of a rotating arrangement of vanes or blades which act on the air. Usually, it… …
42Solar thermal energy — Solar thermal system for water heating in Santorini, Greece …
43Death Valley — For other uses, see Death Valley (disambiguation). Death Valley Satellite photo of Death Valley …
44Cherry Springs State Park — Coordinates: 41°39′46″N 77°49′23″W / 41.66278°N 77.82306°W / 41.66278; 77.82306 …
45environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
46metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism …
47Gladius — This article is about the sword. For other uses, see Gladius (disambiguation). Gladius Replica pseudo Pompeii gladius. Type Armin …
48Crawley — For other uses, see Crawley (disambiguation). Borough of Crawley   Borough   Queen s Square, a large pedestrianised shopping area in the town centre …
49Powder metallurgy — is the process of blending fine powdered materials, pressing them into a desired shape (compacting), and then heating the compressed material in a controlled atmosphere to bond the material (sintering). The powder metallurgy process generally… …
50Ross Winans — through marriage (Whistler s brother George married Winans daughter Julia).Railroad WorkRoss Winans (1796 1877) came from a New Jersey family of horse breeders, but successfully made the transition to other forms of motive power. In 1841, he… …
