Mechanical energy (firing pin striking primer) that causes a release of stored Chemical Energy, that becomes Heat Energy (buring gunpowder creates expanding gasses) that becomes Mechanical Energy- shot is pushed out of barrel.
Shotgun shells
You can use nothing but 410 shells in a 410 shotgun.
Radios use eletrical energy
In this order; centerfire rifle, shotgun, handguns.
kinetic energy
Electrical energy.
potential energy
chemical energy
One not designed for use with steel shot.
Mechanical Energy
aerobic
potential electrical energy