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5 Dec 2020
When two surfaces are coated with the lubricant, then they will:
A) Slide upon each other
B) Stick to each other
C) Roll upon each other
D) Jump upon each other
When two surfaces are coated with the lubricant, then they will:
A) Slide upon each other
B) Stick to each other
C) Roll upon each other
D) Jump upon each other
3 Aug 2023
Rishabh JainLv6
5 Dec 2020
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