3 x 0 July 8, 2019 16 32 64 128 = 0 3 x 0 5 3 x 0 7 3 x 0 75 3 x 0 2 3 x 0.1 3 x 0 8 3 x 0.6 3 x 0.75 mm2 3 x 0.4