{HEAD ~ The kick mechanism} has {TAIL ~ one end} fixed to the chassis and the other end provided with a kick body capable of supporting the centers of the boom assemblies and provided with a detecting means for detecting contact between the boom assemblies and the kick mechanism 
has
{ HEAD ~ The kick mechanism } has { TAIL ~ one end } fixed to the chassis and the other end provided with a kick body capable of supporting the centers of the boom assemblies and provided with a detecting means for detecting contact between the boom assemblies and the kick mechanism
HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH