29. Apply a little bit of oil to the end of the tool and carefully begins to work the stone over the blade. A.Chemical B. Cooking C.Lubricating D. Vegetable
Lubrication is a process which aims at reducing friction between two moving pieces. When two surfaces come in contact with one another, a fluid must be injected to separate them. The word « greasing » applies when grease is used to lubricate.
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C. Lubricating
Lubrication is a process which aims at reducing friction between two moving pieces. When two surfaces come in contact with one another, a fluid must be injected to separate them. The word « greasing » applies when grease is used to lubricate.
Explanation:
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