File:Обеспыливание 2012 Рис. 3.17. Типичные ручные перфораторы и буровая установка.jpg
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Русский: Иллюстрация к учебнику по обеспыливанию при добыче и переработке полезных минеральных ископаемых, глава 3. На Рис. 3.17 показаны разные ручные перфораторы и буровая установка на колёсном ходу. English: Figure 3.17. Illustrations showing a typical jackleg drill, stoper drill, and 3-boom jumbo, respectively. |
| Date | |
| Source | Dust Control Handbook for Industrial Minerals Mining and Processing (CDC 2012) |
| Author | Andrew B. Cecala, Andrew D. O’Brien, Joseph Schall et al. |
Рис. 3.17. Типичные ручные перфораторы с упорами / распорками / поддержкой, и буровая установка Jumbo на колёсном шасси
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This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
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