The semi-solid lubricants or greases are produced by combining a ___ lubricant, usually petroleum oil, with a __ agent.
a. solid, thinning
b. liquid, thickening
c. liquid, thinning
d. solid, thickening
Answer: B
The semi-solid lubricants or greases are produced by combining a ___ lubricant, usually petroleum oil, with a __ agent.
a. solid, thinning
b. liquid, thickening
c. liquid, thinning
d. solid, thickening
Answer: B