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