A control causes {HEAD ~ relative motion} between {TAIL ~ the conveyer} and the movable support means varying the position of the deposition means relative to the substrate 
between
A control causes { HEAD ~ relative motion } between { TAIL ~ the conveyer } and the movable support means varying the position of the deposition means relative to the substrate
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH