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