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