search "tutorial DCEL and ACEL" ;)
you dont know how use the DCEL or ACEL?You put a range of 1x20 and a paralel range of 1x20,and you put to the middle a ELEC,NEUT or PHOT,it's not a elctronic system ,and i dont understand the plasma with DEST,so,i vote -1,you can do a realistic laboratory,but that,i dont lke it