{HEAD ~ Both such adjustments} can thus be readily achieved from {TAIL ~ the exterior} of the device by simple manipulations on the head of the bolt 
achieved from
{ HEAD ~ Both such adjustments } can thus be readily achieved from { TAIL ~ the exterior } of the device by simple manipulations on the head of the bolt
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH