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