The heated assembly contains thermosetting glue and {HEAD ~ the wood assembly} is compressed rapidly at {TAIL ~ a first stage} and compressed slowly at a second stage 
is compressed rapidly at
The heated assembly contains thermosetting glue and { HEAD ~ the wood assembly } is compressed rapidly at { TAIL ~ a first stage } and compressed slowly at a second stage
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH