Shells, like bullets, consist of shells and warheads. It is detached when used. The warhead fired forward, while the shell remained in place. For firearms, these cartridge cases are easy to handle and are relatively small in size and easy to dispose of. However, if it is a shell, it is not so easy to do. They are relatively large and take up space. If it is discarded, the loss is relatively large and wasteful. Practice.
So in this case, what will happen to the shell case after the tank fires the shell? In the beginning, the army had tanks on the battlefield that were specially recycled. Just empty the tank. However, this is very dangerous. Sometimes these people pay with their lives, and the gains outweigh the losses. Later, some armies designed flammable shell boxes. After the shell is fired, the ultra-high temperature will melt the shell completely.
Using this type of shell can save you a lot of trouble. The downside is that the cost is relatively high, which adds up to an astronomical amount. If you save this money and invest it in other areas, you can achieve better development. In such a situation, the belligerent Russia came up with a way to recover shells, create "biological weapons", and then launch them. The power he can control will make everyone feel fear, and the hatred value will be full of loads.
As a country that inherited the wealth of the Soviet Union, Russia still retains many Soviet-era shells. They wanted to recycle, but the cost was too high, so they abandoned the practice. So they came up with a way to use waste, let the soldiers put feces into shells, and then fire. This way of fighting can inflict the most realistic damage on the enemy.
With a little brain, we can imagine how beautiful this picture is. If the infantry is hit, they may well faint. Later, the Russians found this method too destructive and slowly gave up. Now, with the advancement of science and technology, traditional artillery shells are almost a thing of the past, and there is no longer a need to worry about the handling of shells.