Lorenz's Law of Mechanical Repair: After your hands become coated with grease, your nose will begin to itch.
Anthony's Law of the Workshop: Any tool, when dropped, will roll to the least accessible corner.
Lowery's Law of Home Repair: If it jams, force it. If it breaks, it needed replacing anyway
Beach's Law: Interchangeable parts aren't.
Tussman's Law: Nothing is as inevitable as a mistake whose time has come.
William's Law: There is no mechanical problem so difficult that it cannot be solved by brute strength and ignorance.
Lane's Law of Supply and Demand: The one item you need is always in short supply.
Cannon's Karmic Law: If you tell the boss you were late for work because you had a flat tire, the next morning you will have a flat tire.
Martin's Law of Meteorology: The worse the weather, the more you are required to be out in it.
Ehrlich's Law: The first rule of intelligent tinkering is to save all the parts.
Norman Einstein's Law: If it's stupid but it works, it isn't stupid.
Col. Murphy's Law of Combat: Never forget that your weapon was made by the lowest bidder!