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Coal and Petroleum - Coggle Diagram
Coal and Petroleum
natural resources
exhaustible natural resource
coal
petroleum
natural gas
inexhaustible natural resource
sunlight
air
petroleum
constituents
petrol
diesel
kerosene
Lubricating oil
Petroleum gas in LPG
Paraffin wax
Bitumen
natural resources
Safety measures
Coal
useful products
coke
tough and porous, reducing agent
coal tar
black thick liquid, metallic roads
coal gas
gaseous fuel