Target layer
 
Criterion layer
 
Weight value
 
Index layer
Hierarchical order
Single sort
Total sort
Sort
 
 
 
Engineering safety accident occurrence
 
Human factor B1
 
0.2831
Professional quality of operators C1
0.2797
0.0792
6
Safety awareness of operators C2
0.6267
0.1774
2
Operator's self-protection ability C3
0.0936
0.0265
9
 
Machine or the matter factor B2
 
0.2070
Degree of perfection of protective facilities C4
0.1713
0.0355
7
High standards for mechanical installation and removal C5
0.7504
0.1553
3
Normal machine and tool operation C6
0.0782
0.0162
11
 
Medium factor B3
 
0.1206
Regional natural environment C7
0.1884
0.0227
10
Normal working environment C8
0.7306
0.0881
5
Unpredictable environments C9
0.0810
0.0098
12
 
Management factor B4
 
0.3893
Degree of management control C10
0.2790
0.1086
4
Management system C11
0.6491
0.2527
1
Management measures C12
0.0719
0.0280
8