{TAIL ~ A heat} sealing tool for sealing {HEAD ~ a lid} to a container flange, said tool comprising: 
{ TAIL ~ A heat } sealing tool for sealing { HEAD ~ a lid } to a container flange , said tool comprising :
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH