{HEAD ~ Bar screen} 3 can also be located in {TAIL ~ device} 2 so that the part formed by bar screen 3 is horizontal so that the pitch angle is replaced by an S upslope at the bow 
located in
{ HEAD ~ Bar screen } 3 can also be located in { TAIL ~ device } 2 so that the part formed by bar screen 3 is horizontal so that the pitch angle is replaced by an S upslope at the bow
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH