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The movement of air and water in sandy soil.
The downward movement of the piston draws the air–fuel mixture into the cylinder through the ...
An engine will not run if the air–fuel mixture is either too rich or too lean.
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
The population of Asia increases rapidly, the demand for food and water is also growing
Use tap water when making coffee, tea, or juice from concentrate, and for food preparation