A permeability of 30,000 through 50,000 can be achieved in {TAIL ~ screening compartments} that include {HEAD ~ this material} 
A permeability of 30,000 through 50,000 can be achieved in { TAIL ~ screening compartments } that include { HEAD ~ this material }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD