AB/2 MN Ro_a 1.6 0 1.6 2.5 0 2.5 4 0 4 6.3 0 6.3 10 0 10 15.8 0 15.8 25.1 0 25.1 39.8 0 39.8 63.1 0 63.1 100 0 100 158.5 0 158.5 251.2 0 251.2 398.1 0 398.1 631 0 631 1000 0 1000