An engineer is driving along a deserted road to his cottage... When his car suddenly stops. He goes out and tries to see if he can find the problem. When he opens the engine, he finds that a gas cylinder cracked open. Because he's an engineer, he gets a soldering kit out to see if he can patch it up. After he gets the soldering kit, a bus full of natives stops up beside him. ""Hey, what's up man? You need a lift?"" One of them says The man stops for a second, then calmly replies ""No, piston broke."" ""So are we, hop in!""