Related Clues:

• Firetruck gear
• Sprinkler attachments
• Hydrant hookups
• The company you keep?
• Garden and radiator
• Things to rev
• Locomotives
• Firefighting aids
• Stream sources
• You may have to work the kinks out of them
• Cheats, so to speak
• They go to blazes?
• Gearhead's objects
• Train pullers
• Motors