Inside {TAIL ~ the area} surrounded by the shroud is a gatling plate rotated by {HEAD ~ a hydraulic motor} mounted just above the shroud and head plate 
Inside { TAIL ~ the area } surrounded by the shroud is a gatling plate rotated by { HEAD ~ a hydraulic motor } mounted just above the shroud and head plate
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH