{HEAD ~ A laser generating device} for generating laser beams by exciting radiant light in laser rods by irradiation of sunlight is installed in {TAIL ~ space} 
is installed in
{ HEAD ~ A laser generating device } for generating laser beams by exciting radiant light in laser rods by irradiation of sunlight is installed in { TAIL ~ space }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL