Question

Oil and Greece but not water are used in machines as a lubricant

Answer 1

Because water is thin and water also do not have properties like lubes and viscosity and it also won't reduce the temperature between machinery parts of engine. that's why oil and greece are used instead of water.

Answer 2

Answer:

water is not a lubruicant

Explanation:

because water can evaporate where's oil or grease cannot