Next, the ends of the heat pipe are compressed via {HEAD ~ the extruding shaft} to render {TAIL ~ the end surface} of the heat pipe depressed from outside to inside 
to render
Next , the ends of the heat pipe are compressed via { HEAD ~ the extruding shaft } to render { TAIL ~ the end surface } of the heat pipe depressed from outside to inside
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH