Machine parts
Else clues• Bit players
• Bit players in a big machine
• Gear components
• Gear elements
• Gear parts
• Gear teeth
• Important components
• Industrial revolution elements?
• Lowly workers
• Lowly workers, figuratively
• Machinist's teeth
• Mechanical teeth
• Minor employees
• Minor players
• Minor yet vital employees
• Moves jerkily, as a motor
• Parts of the machine, maybe
• Sets of gear teeth
• Some teeth
• Sprocket teeth
• Sprockets
• Teeth
• Teeth of a wheel
• Teeth that aren't flossed
• Teeth, of sorts
• They have teeth
• Unimportant workers
• Vital components
• Vital elements
• Vital parts
• Wheel projections
• Wheel teeth