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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...
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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...
- The
coal tit (Periparus ater), is a
small p****erine bird in the tit family, Paridae. It is a
widespread and
common resident breeder in
forests throughout...
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Coal liquefaction is a
process of
converting coal into
liquid hydrocarbons:
liquid fuels and petrochemicals. This
process is
often known as "
coal to X"...
- "loyalty".
While scrip was not
exclusive to the
coal industry, an
estimated 75
percent of all
scrip used was by
coal companies in Kentucky, Virginia, and West...
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Coal Chamber is an
American nu
metal band
formed by Dez
Fafara and
Meegs Rascón in Los
Angeles in 1992,
initially under the name She's in Pain. The original...
- Coke is a grey, hard, and
porous coal-based fuel with a high
carbon content. It is made by
heating coal or
petroleum in the
absence of air. Coke is an...
-
Coal pipelines are
pipelines used to
transport coal from
where it is
mined to
where it is consumed. For very
short distances,
large trucks are used to...
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Bituminous coal, or
black coal, is a type of
coal containing a tar-like
substance called bitumen or asphalt. Its
coloration can be
black or
sometimes dark...
- are
black coal, hard
coal,
stone coal, dark
coal,
coffee coal,
blind coal (in Scotland),
Kilkenny coal (in Ireland), crow
coal or craw
coal, and black...