Question

b) which material is used as a
Lubricant?​

Answer 1

Answer:

Typically lubricants contain 90% base oil (most often petroleum fractions, called mineral oils) and less than 10% additives.

Vegetable oils or synthetic liquids such as hydrogenated polyolefins, esters, silicones, fluorocarbons and many others are sometimes used as base oils

Explanation:

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