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The coal tit or cole tit, (Periparus ater), is a small passerine bird in the tit family, Paridae. It is a widespread and common resident breeder in forests...

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of...

development of a variety of forges of this type, from the coal forge described above to simpler constructions amounting to a hole in the ground with a pipe leading...

Hole of Calcutta was a dungeon in Fort William, Calcutta, measuring 14 by 18 feet (4.3 m × 5.5 m), in which troops of Siraj-ud-Daulah, the Nawab of Bengal...

a hole for charging the coal or other kindling from the top. A discharging hole is provided in the circumference of the lower part of the wall. In a coke...

orders of magnitude, the following lists describe various mass levels between 10−67 kg and 1052 kg. The least massive thing listed here is a graviton...

geographies, peak coal. Compared to wood fuels, coal yields a higher amount of energy per unit mass, specific energy or massic energy, and can often...

A briquette (French: [bʁikɛt]; also spelled briquet) is a compressed block of coal dust or other combustible biomass material (e.g. charcoal, sawdust,...

Coal mining is the process of extracting coal from the ground or from a mine. Coal is valued for its energy content and since the 1880s has been widely...

and electric heating. The men who carried the coal to households were called coal men. The mass of coal homes burned was large; the UK government estimated...

Coalbed methane (CBM or coal-bed methane), coalbed gas, or coal seam gas (CSG) is a form of natural gas extracted from coal beds. In recent decades it...

Anthracite, also known as hard coal and black coal, is a hard, compact variety of coal that has a submetallic lustre. It has the highest carbon content...

under the Susquehanna River without proper safety precautions, creating a hole in the riverbed which caused the river to flood into the many interconnected...

have worked as coal miners for centuries, but they became increasingly important during the Industrial revolution when coal was burnt on a large scale to...

832 °F)—heat from a chamber of fire from which screaming, which was from Hell, could be heard. The Soviet Union had, in fact, drilled a hole more than 12 km...

Affeldt, C.; Agathos, M. (2 September 2020). "GW190521: A Binary Black Hole Merger with a Total Mass of 150 M⊙". Physical Review Letters. 125 (10): 101102...

A coal breaker is a coal processing plant which breaks coal into various useful sizes. Coal breakers also remove impurities from the coal (typically slate)...

net loss of mass-energy by the black hole. The rate of Hawking radiation increases with decreasing mass, eventually causing the black hole to evaporate...

fills in nearby hollows or valleys. MTR involves the mass restructuring of earth in order to reach coal seams as deep as 400 feet (120 m) below the surface...

Mass production, also known as flow production, series production or continuous production, is the production of substantial amounts of standardized products...