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