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• Coal breaker — A coal breaking plant, depicted on a postcard in 1907. A coal breaker was a coal processing plant which broke coal into various useful sizes. Coal breakers also removed impurities from the coal (typically slate) and deposited them into a culm… …   Wikipedia

• Date and time notation by country — Different style conventions and habits exist around the world for dates and times in writing and speaking. Examples:*The order that a year, month, and day are written. *How weeks are identified. *The 24 hour clock and/or the 12 hour clock. *The… …   Wikipedia

• environmental 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 …   Universalium

• Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury …   Wikipedia

• Date and time notation in the United States — Date In the United States, dates are traditionally written in the month day year order, that is, in neither descending nor ascending order of significance. (In computing, this would be called a middle endian order.) This order is used in both the …   Wikipedia