You have to take your car into the shop for some repairs. If you’re like me, you’ll ask friends or work buddies about how much they think it should cost. With that total figure firmly implanted in your brain parts, you take it in.
Later you get the bill, the receipt, the work order. The price is different, probably much higher than you anticipated. Scrutinizing the work order you start to scratch your head. What is all this stuff? This is how the traditional knuten valve, iften pin and muffler bearings terms get started.