A mechanic was an individual that built or repaired machinery.

Ray and Billy were mechanics in 1959 Wales. Rachel was in love with Billy, but he fell in love with the Chimeron Queen, Delta. (TV: Delta and the Bannermen)

Resident of the Powell Estate, Mickey Smith was an auto mechanic by Christmas 2006. (TV: The Christmas Invasion)

Claude was a trainee mechanic aboard the shuttle bus for visitors who went to see the planet Midnight. He and driver Joe were disintegrated by X-tonic sunlight when the driver's cabin was ripped off. (TV: Midnight)

Ted and Kenny were mechanics working on Amy Johnson's plane at the Harrington Aerodrome when they were killed by Koragatta. (COMIC: A Wing and a Prayer)

Ryan Sinclair worked in a warehouse and was training to become a mechanic. (TV: The Woman Who Fell to Earth)