The control system takes into account {HEAD ~ the displacement} of the platform from {TAIL ~ the support ends} and adjusts the Z axis displacement during Y axis traversal 
from
The control system takes into account { HEAD ~ the displacement } of the platform from { TAIL ~ the support ends } and adjusts the Z axis displacement during Y axis traversal
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH