solid masonry wall
41energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy …
42Corrigan Tower — General information Status Complete Type Office …
43Dara Dam — Location Dara, Turkey Opening date Ca. 560 AD Dam and spillways Impounds River Cordes The Dara Dam was a Roman arch dam at Dara in …
44Frederick the Great — Frederick II Frederick II, aged 68, by Anton Graff King of Prussia Elector of Brandenburg Reign …
45pier — n. 1 a a structure of iron or wood raised on piles and leading out to sea, a lake, etc., used as a promenade and landing stage, and often with entertainment arcades etc. b a breakwater; a mole. 2 a a support of an arch or of the span of a bridge; …
46building 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… …
47architecture — /ahr ki tek cheuhr/, n. 1. the profession of designing buildings, open areas, communities, and other artificial constructions and environments, usually with some regard to aesthetic effect. Architecture often includes design or selection of… …
48Brickwork — Dismantled wall showing brickwork Decorative Tudor bri …
49pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
50Drill 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 …
