0? 



Jjfo. JJtf/r 



Machine. Uwl. 

 Turns Qoj\+ BeptJi 



Shot t*r~kmtl *= 



Bottom, W 73 P 



Bottom tenvpcralwrv - , 



Co i TcHit I frn if feral tt re 



Air Surface V Qtffi 



Trawl or dredge 



