Here is my example. Type "id:1372456" into the search bar without the quotes.
Try to make it multi-use. Put liquid wall where you want the deut to be stored so the protons cannot go into the protected deut, and add ewall next to the liquid wall so any lingering protons will be destroyed between shots.
cool the deut for more prot, also add some whol or gpmp to get em outta there
add somthing cloning plasma to heat the protons