Abbreviations
| AA1000SES | AA1000 Stakeholder Engagement Standard |
| CHI | Compulsory health insurance |
| CHRB | Corporate Human Rights Benchmark |
| CTL ESG | Corporate Trust Line Environmental, social, and governance |
| FIFR | Fatal injury frequency rate |
| FPIC | Free, prior and informed consent |
| FZ | Federal law |
| GRI | Global Reporting Initiative |
| ICMM | International Council on Mining and Metals |
| IFC | International Finance Corporation |
| ILO | International Labour Organization |
| IRMA | Initiative for Responsible Mining Assurance |
| ISO | International Organization for Standardization |
| KPI | Key performance indicator |
| LTIFR | Lost time injury frequency rate |
| PJSC | Public joint stock company |
| SO2 | Sulphur dioxide |
| UN | United Nations |
| UNGPs | United Nations Guiding Principles on Business and Human Rights |
| VHI | Voluntary health insurance |
| VPSHR | Voluntary Principles on Security and Human Rights |