COGS

Gear teeth

• Bit players

• Bit players in a big machine

• Gear components

• Gear elements

• Gear parts

• Important components

• Industrial revolution elements?

• Lowly workers

• Lowly workers, figuratively

• Machine parts

• 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