Use Oil to Reduce Friction
This page is the CodyCross answer for the clue below from Futuristic City , Group 994, Puzzle 5 (Robotic Surgery).
Question is: Use Oil to Reduce Friction
and the answer is: LUBRICATE
Word Meaning:
LUBRICATE — To make slippery or smooth (normally to minimize friction) by applying a lubricant.
Definitions from Wiktionary.