{HEAD ~ An array} of {TAIL ~ M×N actuators} for use in an optical projection system wherein each of the actuators consists of: 
{ HEAD ~ An array } of { TAIL ~ M×N actuators } for use in an optical projection system wherein each of the actuators consists of :
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