Electrons are caused to bombard the surface of the solid material, transferring their energy to {HEAD ~ the atoms/molecules} comprising the source material and resulting in {TAIL ~ sublimation} 
Electrons are caused to bombard the surface of the solid material , transferring their energy to { HEAD ~ the atoms / molecules } comprising the source material and resulting in { TAIL ~ sublimation }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL