What vehicle works the hardest?

Why did the car need to take an afternoon nap?

What is the first day of orientation called for locomotive conductors?

What did the adding machine say to the cashier?

What's a ghost's favorite work schedule?

What does a cloud wear under his pants?

Have you heard the one about the bad pole-vaulter?

Why do rocket scientists take everything so seriously?

Why do managers bring suitcases along to away games?

What is a construction worker's favorite card game?

What's a dog's favorite type of Chex Mix™?

Who do fish pray to when they need help?

Why is money so stubborn?

What happened when Ben Franklin told a joke to the Liberty Bell?

What's the best method for making an apple turnover?