{TAIL ~ A detachably re positionable carrying plate} 61 is mounted on top of {HEAD ~ the guide plate} 60 
{ TAIL ~ A detachably re positionable carrying plate } 61 is mounted on top of { HEAD ~ the guide plate } 60
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH