Coal gas
Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system originating from a gasworks. It is produced when coal is heated strongly in the absence of air.
Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system originating from a gasworks. It is produced when coal is heated strongly in the absence of air.
Coal gas is a flammable gaseous fuel made from coal and supplied to the user via a piped distribution system originating from a gasworks. It is produced when coal is heated strongly in the absence of air.
Source: Wikipedia "Coal gas" · CC BY-SA 4.0
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