concrete waterproof
11Outline of canoeing and kayaking — Kayakers view of Lake Coniston, Cumbria The following outline is provided as an overview of canoeing and kayaking: Canoeing is an outdoor activity that involves a special kind of canoe. Open canoes may be poled (punted), sailed, lined and tracked …
12Ordnance Survey — Welsh: Arolwg Ordnans Non ministerial government department overview Formed 1791 ( …
13farm building — ▪ agriculture Introduction any of the structures used in farming operations, which may include buildings to house families and workers, as well as livestock, machinery, and crops. The basic unit of commercial agricultural operation,… …
14Cistern — This article is about the underground reservoir. For other uses, see Cistern (disambiguation). Portuguese cistern El Jadida in Morocco …
15Embankment dam — An embankment dam is a massive artificial water barrier. It is typically created by the emplacement and compaction of a complex semi plastic mound of various compositions of soil, sand, clay and/or rock. It has a semi permanent waterproof natural …
16Masonry — This article refers to the building structure component; for the fraternal organization, see Freemasonry. A mason laying mortar on top of a finished course of blocks, prior to placing the next course. Masonry is the building of structures from… …
17architecture — /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… …
18cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… …
19Inner German border — Innerdeutsche Grenze North and central Germany …
20Dowel bar retrofit — sawcuts A dowel bar retrofit befor …
