Equation Icon  (3) (3) (3) (3) fe < 0.012 V~ ------------------ for fe > 0 and fg > - 3fe , (3) (3) 2 (3) (3) (3) (3) (3) (98) fg > f e - 0.048 - 2 0.024 - 0.048fe for fg < - 3fe < 0 or f g < fe < 0,