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