A Multiobjective Optimization Model of Production-Sourcing for Sustainable Supply Chain with Consideration of Social, Environmental, and Economic Factors

Table 12

Injuries according to severity (𝐼^𝑛_𝑚).

Severity (𝑛)	Production method (𝑚)
	PM1	PM2	PM3
1	20	17	18
2	6	5	5
3	3	2	2
4	2	1	2
5	1	1	1
6	1	0	1
7	1	0	0

Note: the severity classes from 1 to 7 have been defined in Table 1.