Question 18
Farm Machinery and MechanisationWhich of the following cannot be used to rub the metal parts of farm tools before storage?
- A.Grease
- B.Palm oil
- C.Water
- D.Petroleum jelly
- E.Spent engine oil
Show the answer and explanation
Answer: C (Water)
Explanation
Oil and grease keep air and moisture off metal; water causes rusting.