Compressors, Gas Turbines and Jet Engines
The thrust of a jet propulsion power unit can be increased by

Injecting ammonia into the combustion chamber
Burning fuel after gas turbine
Injecting water into the compressor
All of these

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Compressors, Gas Turbines and Jet Engines
Water gas is produced by

Carbonisation of coal
Passing steam over incandescent coke
Partial combustion of coal, eke, anthracite coal or charcoal in a mixed air steam blast
Passing air and a large amount of steam over waste coal at about 65°C

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