To ensure the platform follows a linear path in the Y direction without {TAIL ~ Z axis deviation}, one or more embodiments of the invention contemplate the use of {HEAD ~ a computer control system} 
To ensure the platform follows a linear path in the Y direction without { TAIL ~ Z axis deviation } , one or more embodiments of the invention contemplate the use of { HEAD ~ a computer control system }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD