Related Clues:

• Semi trucks
• Haulers on highways
• Oil field machinery
• Falsifies, as data
• Manipulates a contest
• Pre-fixes?
• Oil machinery
• Alters entrances around court
• Fixes wrongly?
• Offshore drilling sites
• Tampers with, as an election
• Fixes, as a ball game
• Fixes on the sly
• Professionals court indoors
• Oil equipment