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Chambering
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
- A borehole in which portions of the sidewalls are breaking away and forming cavities or small chambers.
- The enlargement of a portion of a borehole by the use of explosive charges. also called springing. chamfer. to cut at an angle or on a bevel; also, a small groove or furrow. change day. the day when drill crewmen or a gang of miners are transferred from one work shift to another. also called swing day. changehouse. compare doghouse, drill shack.
- A special building at mines or other works where laborers may wash themselves or change from street to work clothes and vice versa. also called changing house, dry, dryhouse. changing house. changehouse, q-v. 22 a glossary of the diamond-drilling industry
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Enlargement, английский
- Making a print from a negative or slide; generally, making a print larger than standard size, such as an 8x10-inch or bigger "blowup".
- Расширение
- Увеличение
Changehouse, английский
Themselves, английский
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Checkerboarded, английский
- An area in which boreholes have been placed at the intersections of equally spaced parallel lines laid out on a square grid or checkerboard pattern.
- An area divided into squares of equal size by two groups of equally spaced parallel lines placed at right angles to each other.
Chalk up, английский
- To write up the daily (or shift) drilling record.
- To establish an outstanding performance record.
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