concrete masonry unit
81Oldcastle Inc. — Oldcastle, Inc. Type Subsidiary of CRH plc Industry Building materials Founded 1978 Headquarters Atlanta, Georgia Key people Mark Towe, CEO CRH Americas Holdings …
82San Ramon Valley Fire Protection District — The San Ramon Valley Fire Protection District is an autonomous Special District as defined under the Fire Protection District Law of 1987, Health and Safety Code, Section 13800, of the State of California. The District’s service area encompasses… …
83block — blockable, adj. /blok/, n. 1. a solid mass of wood, stone, etc., usually with one or more flat or approximately flat faces. 2. a hollow masonry building unit of cement, terra cotta, etc.: a wall made of concrete blocks. 3. one of a set of cube… …
84Kitchener, Ontario — Kitchener   City   City of Kitchener …
85Mobile home — For the album by Longpigs, see Mobile Home (album). Common example of today s sectional mobile home in the United States. 28 feet x 60 feet Mobile homes (in the United States; also called trailers or house trailers) or static caravans (in other… …
86pneumatic device — Any of various tools and instruments that generate and use compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers. Compressed air power is flexible, economical,… …
87Curtain wall — For defensive curtain walls in medieval buildings, see Curtain wall (fortification). Glass curtain wall of the Bauhaus Dessau A curtain wall is an outer covering of a building in which the outer walls are non structural, but merely keep out the… …
88Egypt, ancient — Introduction civilization in northeastern Africa dating from the 3rd millennium BC. Its many achievements, preserved in its art and monuments, hold a fascination that continues to grow as archaeological finds expose its secrets. This article… …
89Passive solar building design — Elements of passive solar design, shown in a direct gain application …
90Geothermal 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… …
