Scouring Sandstone

402 10 x 0.002 = 80.42

0.002

1 87 x 0.316 = 59.092

0.316

274 77 x 0.002 = 54.954

0.002

270 67 x 0.002 = 54.134

0.002

260 45 x 0.002 = 52.09

0.002

215 48 x 0.002 = 43.096

0.002

212 1 x 0.002 = 42.402

0.002

66 x 0.629 = 41.514

0.629

153 94 x 0.002 = 30.788

0.002

0 x 0.002 = 0

0.002

x 0.08 = 0

0.08