TOOL DRILL LINE MILL LINE GROOVE LINE THREAD LINE TURN LINE <o3^(D5 £ 01 M O 70 On 70 on nO n_ NJ roun X X 0) NJun M £ £ K Soun o 3 UJ UJ N3> M N3 NJ NJunun 3" zr NJ Un O 00 >0 on NJ NJUJ