Table 2
Expert scores of the entire supply chain risk of power materials.
| Expert rating scale | Numerical value | Degree of risk |
|---|---|---|
| z1 | 0–25 | Very low risk |
| z2 | 25–40 | Low risk |
| z3 | 40–60 | Medium risk |
| z4 | 60–75 | High risk |
| z5 | 75–100 | Extremely high risk |
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