{HEAD ~ The choice} of {TAIL ~ which spring} is more advantageous depends upon the required spring characteristic, the space available, and other similar practical considerations 
{ HEAD ~ The choice } of { TAIL ~ which spring } is more advantageous depends upon the required spring characteristic , the space available , and other similar practical considerations
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH