Depth (cm)

Max Value

Min Value

Flatness (%)

Symmetry (%)

1.5

99.6

82.5

9.39

1.10

5

98.5

83.6

8.18

3.56

10

99.8

81.4

10.15

2.13

15

99.7

82.9

9.2

0.85

20

99.5

80

10.86

0.43

30

99

81.6

9.63

2.12