Related Clues

• Like a Car and Driver car
• No longer green
• Taken around the track
• Time-___
• Tried and true
• Known to be in working order
• Checked out
• Tried out
• Took for a trial run
• Tried
• Assayed
• Stuck a toe in
• Worked on in the lab
• Challenged, or what the theme entries in this puzzle should be
• Put under pressure
• Broke in
• Examined
• Did lab work
• Checked
• Checked (for)