He's a 'mechanical' genius. [=he is a person who is very smart about machines]
He's not 'mechanically' inclined. [=he is not knowledgeable about machinery]
The flight was delayed because of 'mechanical' problems/difficulties.
(..) I's all over town, Robbie. Gossip. Rumors. Panic in the streets, if we're lucky. Crazy scientist turns himself into some kind of a monster. Four mechanical arms welded right onto his body. Guy named Otto Octavius winds up with eight limbs. What are the odds? Hoffman! (..)2004 Spider-Man 2
(..) at muItiple points... ...including the lamina and the roof of the spinal column. We won't know the extent of the damage until we get in there. I suggest we cut off these mechanical arms, slice up the harness... ...and, if need be, consider a laminectomy... ...with posterior spinal fusion (..)2004 Spider-Man 2