Scouring Sandstone

375 56 x 0.002 = 75.112

0.002

313 49 x 0.002 = 62.698

0.002

311 45 x 0.002 = 62.29

0.002

301 18 x 0.002 = 60.236

0.002

1 87 x 0.316 = 59.092

0.316

216 61 x 0.002 = 43.322

0.002

66 x 0.629 = 41.514

0.629

198 84 x 0.002 = 39.768

0.002

161 35 x 0.002 = 32.27

0.002

0 x 0.002 = 0

0.002

x 0.08 = 0

0.08