shaft masonry

См. также в других словарях:

• shaft — shaftless, adj. shaftlike, adj. /shaft, shahft/, n. 1. a long pole forming the body of various weapons, as lances, halberds, or arrows. 2. something directed or barbed as in sharp attack: shafts of sarcasm. 3. a ray or beam: a shaft of sunlight.… …   Universalium

• shaft — [[t]ʃæft, ʃɑft[/t]] n. 1) a long pole forming the body of various weapons, as lances or arrows 2) something directed at someone or something in sharp attack: shafts of sarcasm[/ex] 3) a ray or beam 4) a long handle serving to balance or… …   From formal English to slang

• Concrete masonry unit — A stack of rectangular CMUs Cinder block redirects here. For the American singer, see Cinder Block (musician). In the United States, a concrete masonry unit (CMU) – also called concrete block, cement block, and foundation block – is a large… …   Wikipedia

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …   Wikipedia

• tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

• key — key1 /kee/, n., pl. keys, adj., v., keyed, keying. n. 1. a small metal instrument specially cut to fit into a lock and move its bolt. 2. any of various devices resembling or functioning as a key: the key of a clock. 3. See key card. 4. something… …   Universalium

• Western architecture — Introduction       history of Western architecture from prehistoric Mediterranean cultures to the present.       The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …   Universalium

• Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …   Wikipedia

• Maya Research Program — A pair of masks depicting an Early Classical ruler of Blue Creek The Maya Research Program is a US based non profit organization (501C3) that sponsors archaeological and ethnographic research in Middle America. Each summer since 1992, they have… …   Wikipedia

• Cave of the Patriarchs — Southern view of the enclosure …   Wikipedia