Answer:
The essential facts are unavailable to the mechanic and therefore discovery is required. (Civil Procedure-Motions)
Explanation:
In United States law, the motion to be considered as the procedural device so that it brings the limited and contested issue prior a decision could be taken by the court. It is the request that made to the judge for making out the decision for the case also the party that oppose to the motion should be the non-moving party
So as per the given situation, the important facts are not available to the mechanic and so the discovery is needed