gypsum mortar
51Nanak Shahi bricks — ( ਨਾਨਕਸ਼ਾਹੀ ਇੱਟ ) were decorative bricks used for structural walls during the Mughal era.[1] Contents 1 Uses 2 General specs 3 References …
52Calcium — (pronEng|ˈkælsiəm) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth s crust. Calcium is also …
53Muhammad ibn Zakariya ar-Razi — Infobox Philosopher region = Persian scholar era = Medieval era color = #B0C4DE image caption = European depiction of the Persian doctor Al Razi, in Gerard of Cremona Receuil des traites de medecine 1250 1260. [ Inventions et decouvertes au Moyen …
54Stucco — or render is a material made of an aggregate, a binder, and water. Stucco is applied wet and hardens to a very dense solid. It is used as a coating for walls and ceilings and for decoration. Stucco may be used to cover less visually appealing… …
55Defence Research and Development Canada — Defence Research and Development Canada, also Defence R D Canada or DRDC (Recherche développement pour la défense Canada, R D pour la défense Canada, ou RDDC in French), is an agency of the Department of National Defence (DND), whose purpose is… …
56Lime (mineral) — Lime is a general term for various naturally occurring minerals and materials derived from them, in which carbonates, oxides and hydroxides of calcium predominate. It is also name for single mineral (native lime) of the CaO composition, occurring …
57Methylcellulose — (or methyl cellulose) is a chemical compound derived from cellulose. It is a hydrophilic white powder in pure form and dissolves in cold (but not in hot) water, forming a clear viscous solution or gel. It is sold under a variety of trade names… …
58List of building materials — Building materials used in the construction industry to create buildings and structures. These categories of materials and products are used by American architects and construction project managers to specify the materials and methods used for… …
59List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
60Ouvrage Metrich — Infobox Military Structure name=Ouvrage Métrich partof=Maginot Line location=Northeast France coordinates= caption=135mm gun turret, gros ouvrage Métrich Block 11, September 2004 caption2= type= code= built= builder= materials=Concrete, steel… …
