This is used to pump a hot melt butyl. The cylinder or motor at the top strokes the smaller cylinder or pump at the bottom. The force of 8 bar is multiplied by the area of the large cylinder transmitted thru the connecting rod to the area of the smaller cylinder.
Life is not a journey to the grave with the intention of arriving in a pretty, pristine body but rather to come sliding in sideways, all used up and exclaiming, "Wow, what a ride!"
"Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover." -- Mark Twain