Table of Contents
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English
CONTENTS
HARDNESS
8
2
9
9
10
11
11
11
12
13
14
14
14
15
15
16
16
16
17
17
18
20
21
25
26
26
26
26
26
27
27
27
27
28
29
30
33
34
35
36
37
37
38
38
39
40
40
41
58
58
59
60
61
61
62
62
64
67
69
70
75
80
80
82
82
83
102
102
104
105
105
105
106
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