{HEAD ~ The struts} extend from {TAIL ~ the ends} of the working part at an angle to the base so that the junctures of the struts and base are some distance from the ends of the base 
extend from
{ HEAD ~ The struts } extend from { TAIL ~ the ends } of the working part at an angle to the base so that the junctures of the struts and base are some distance from the ends of the base
HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH