tar concrete
21Tarmac (company) — Infobox Company company type = Limited company company name = Tarmac Limited company foundation = Edgar Purnell Hooley, as the Tar Macadam Syndicate Ltd (1903) location = Wolverhampton num employees = Over 12,500 worldwide products = Aggregate… …
22Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …
23Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
24Plasterwork — refers to construction or ornamentation done with plaster, such as a layer of plaster on an interior wall or plaster decorative moldings on ceilings or walls. This is also sometimes called pargeting. The process of creating plasterwork, called… …
25Road transport — (British English) or road transportation (American English) is transport on roads of passengers or goods.A hybrid of road transport and ship transport is the historic horse drawn boat.HistoryThe first forms of road transport were horses, oxen or… …
26roof — rooflike, adj. /roohf, roof/, n., pl. roofs, v. n. 1. the external upper covering of a house or other building. 2. a frame for supporting this: an open timbered roof. 3. the highest part or summit: The Himalayas are the roof of the world. 4.… …
27steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
28Islamic arts — Visual, literary, and performing arts of the populations that adopted Islam from the 7th century. Islamic visual arts are decorative, colourful, and, in religious art, nonrepresentational; the characteristic Islamic decoration is the arabesque.… …
29building 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… …
30Masonry — 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… …
