Every industry has its own ‘inside humor’, things only the people who deal with that subject every day will find funny. Every electrician has ‘light bulb’ jokes you’ve never heard and every doctor has at least three jokes about spleens. Mechanics are no different, and here at the Tom Dwyer News Desk we’ve been quietly building a treasure trove of mechanical humor. Some will only be funny to mechanics while others will be pretty funny to everyone, but we thought April Fools would be the ideal time to share all of them with you…