Question

why do apply grease or paint on iron object?​

Answer 1

Hey mate.

Here's the answer.

We apply oil to prevent rust and corsion.

Here is how:

Clean throughly with a rag and solvent when possible

Appy rust preventive oil or other oil

In some cases you can wrap the tool in oil or oil preventive soaked rag.

Tool can be warmed for better absorption of oil.

Once properly treated an iron tool can be stored for many year even decades without damage.

Answer 2

Answer:

be apply grease or paint on iron objects because they react with the wet present in the atmosphere and react with oxygen and get rust. we can also use the process of galvanization according to this process iron is coated with zinc to protect from rusting. rusting means the iron decaying slowly slowly.