The absorbers preferably include {HEAD ~ two opposing aluminum containers} for containing {TAIL ~ particulate teflon beads} 
for containing
The absorbers preferably include { HEAD ~ two opposing aluminum containers } for containing { TAIL ~ particulate teflon beads }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL