Elastic energy of compressed plastic - GIF

Elastic energy of compressed plastic.

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Previously:

Crossing a river inside a plastic bag - GIF
Farrier injecting silicone under protective plastic pads on horse's hoof - GIF
Molding a large plastic tank - GIF
Patching a pothole with thermoplastics - GIF
Plastic sandal molds - GIF
Restoring plastic seat surface with blowtorch - GIF
Wood effect finish made with plastic bottle - GIF

We tried recycling plastic and aluminum and the 2 places that would accept it quit. They said it is actually cheaper to make new than to recycle. I will sell my aluminum and just throw away the plastic from now on.