The upper roller 37 is rotatably supported on {HEAD ~ a shaft} 39 which extends through {TAIL ~ a bearing support} 72 and carries a flywheel 71 
extends through
The upper roller 37 is rotatably supported on { HEAD ~ a shaft } 39 which extends through { TAIL ~ a bearing support } 72 and carries a flywheel 71
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH