BlockOilFluid.java:104: cannot find symbol
symbol  : method b(double,double,double)
location: class nl
        ao ao1 = ao.b(0.0D, 0.0D, 0.0D);
                   ^
BlockOilFluid.java:218: cannot find symbol
symbol  : method e(pf,int,int,int)
location: class ky
            ao1 = ((ky)nl.A).e(pf1, k, l, i1);
                            ^
BlockOilFluid.java:220: cannot find symbol
symbol  : method e(pf,int,int,int)
location: class ky
            ao1 = ((ky)nl.C).e(pf1, k, l, i1);
                            ^
3 errors