said hole is covered with a new sealing label after said re {HEAD ~ injection} of {TAIL ~ said low density gas} 
of
said hole is covered with a new sealing label after said re { HEAD ~ injection } of { TAIL ~ said low density gas }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL