Trampoline Springs

What products on the market contain springs?

I am looking for a list of products that contain springs. I ever thought of trampolines, box springs, pens, pencils, pogo sticks, the vehicle suspension, pool covers, and sprays. I am looking for other ideas. I would like to know about smaller ones like pens and pencils. Let me know if you have other suggestions.

Not all of them are "coil" type springs - some leaf springs and some S-springs. The cons-door my house has a spring in the whole chain of the wind. making "toy" Baby-in-a-box has a spring. Some chairs and chairs have springs. Some components of the computer and video games have springs, especially if they self-opening/closing doors or buttons that appear again after have been pressed (think "keyboard"). My dryer uses a spring in the assembly of the door. The circular part of a safety pin (Opposite the point) is a spring. My kitchen nut chopper and nutcrackers both springs. My bread has a spring that raises the toast when done. More types of musical instruments have springs in their valves or keys, and good mechanical watches generally have springs. When you start to really look, it's amazing how you can find.

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[phpzon]Trampoline Springs, 14, Toys[/phpzon]