... ,H,G for mending the top fish O.D. 3. Type B,D,I,J,F,G,M,N for hard stratum ... around the fallen fish. By its use type it can be divided into:1. Type A,E,K,L for the junks ... ,H,G for mending the top fish O.D.3. Type B,D,I,J,F,G,M,N for hard stratum ...