why are the tools and machine parts made of iron smeared witu grease or oil
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tools and machine parts made of iron smeared with grease or oil to avoid friction which can result in the wear and tear of the machine
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By apllying greases or oil we just lubricates the part.
We do lubrication because to reduce friction between the two parts to as to prevent tearing.
We do lubrication because to reduce friction between the two parts to as to prevent tearing.
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