{HEAD ~ This line} controls the Y axis motion and Z axis motion of the platform and is designated {TAIL ~ the YZ movement line} 
is designated
{ HEAD ~ This line } controls the Y axis motion and Z axis motion of the platform and is designated { TAIL ~ the YZ movement line }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL