A shutter driving actuator for driving a shutter from the closed position to the opened position when in {HEAD ~ operation} is connected to {TAIL ~ the shutter} 
is connected to
A shutter driving actuator for driving a shutter from the closed position to the opened position when in { HEAD ~ operation } is connected to { TAIL ~ the shutter }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL