classification of construction materials
61Persépolis — Pour les articles homonymes, voir Persépolis (homonymie). Persépolis * …
62List of EN standards — This is an incomplete list of European standards maintained by CEN (European Committee for Standardization) and CENELEC (European Committee for Electrotechnical Standardization): EN 1 999 * EN 1: Flued oil stoves with vaporizing burners * EN 3:… …
63Hadrian's Wall — This article is about the fortification in Northern England. For the Broad Wall of Jerusalem, see Broad Wall (Jerusalem). Coordinates: 55°01′27″N 2°17′33″W / 55.02417°N 2 …
64USS Vega (AK-17) — The USS Vega (AK 17) was originally the Lebanon a single screw, steel hulled freighter built in 1919 under a United States Shipping Board contract at Hog Island, Pennsylvania, by the American International Shipbuilding Co. was acquired by the… …
65chad — /chad/, n. Computers. a small paper disk or square formed when a hole is punched in a punch card or paper tape. [1945 50; orig. uncert.] * * * Chad Introduction Chad Background: Chad, part of France s African holdings until 1960, endured three… …
66Chad — /chad/, n. 1. Lake, a lake in Africa at the junction of four countries: Cameroon, Chad, Niger, and Nigeria. 5000 to 10,000 sq. mi. (13,000 to 26,000 sq. km) (seasonal variation). 2. Official name, Republic of Chad. a republic in N central Africa …
67Norfolk Southern Railway — For other uses, see Norfolk Southern (disambiguation). Norfolk Southern Railway System map (trackage rights in purple) …
68Resource depletion — For other uses, see Depletion (disambiguation). Resource depletion is an economic term referring to the exhaustion of raw materials within a region. Resources are commonly divided between renewable resources and non renewable resources. (See also …
69Fire sprinkler system — A fire sprinkler system is an active fire protection measure, consisting of a water supply, providing adequate pressure and flowrate to a water distribution piping system, onto which fire sprinklers are connected. Although historically only used… …
70National Non-Food Crops Centre — Abbreviation NNFCC Formation 2003 Legal status Not for profit company Purpose/focus Renewable …
