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  • 1environmental works — ▪ civil engineering Introduction       infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …

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  • 2wallboard — /wawl bawrd , bohrd /, n. material manufactured in large sheets for use in making or covering walls, ceilings, etc., as a substitute for wooden boards or plaster. [1905 10; WALL + BOARD] * * * ▪ building material       any of various large, rigid …

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  • 3Damp proofing — A damp proofing barrier Damp proofing in construction is a type of waterproofing applied to building foundation walls to prevent moisture from passing through the walls into interior spaces. A damp proof course (often abbreviated to DPC) is a… …

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  • 4Chamoli district — Chamoli चमोली ज़िला   district   …

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  • 5tile — tilelike, adj. /tuyl/, n., v., tiled, tiling. n. 1. a thin slab or bent piece of baked clay, sometimes painted or glazed, used for various purposes, as to form one of the units of a roof covering, floor, or revetment. 2. any of various similar… …

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  • 6Hazen-Williams equation — The Hazen Williams formula can be used to calculate the pressure loss per one foot of pipe of a known diameter due to friction dependent on the flow. This equation is commonly used for pressure drop calculations in fire sprinkler systems, water… …

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  • 7drywall construction —       a type of construction in which the interior wall is applied in a dry condition without the use of mortar. It contrasts with the use of plaster, which dries after application.       The materials used in drywall construction are gypsum… …

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  • 8Plaster — The term plaster can refer to plaster of Paris, lime plaster, or cement plaster. This article deals mainly with plaster of Paris.Plaster of Paris is a type of building material based on calcium sulfate hemihydrate, nominally CaSO4·0.5H2O. It is… …

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  • 9Vermiculite — Infobox mineral name = Vermiculite category = boxwidth = boxbgcolor = caption = formula = (MgFe,Al)3(Al,Si)4O10(OH)2·4H2O color = Bronze Yellow habit = Clay, scaly, aggregate system = Monoclinic twinning = cleavage = Perfect fracture = Uneven… …

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  • 10Technological and industrial history of Canada — The technological and industrial history of Canada encompasses the country s development in the areas of transportation, communication, energy, materials, public works, public services (health care), domestic/consumer and defense technologies.… …

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