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Leyner or
Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
Iner. 3. a person skilled in the use of air-driven, per cussive rock drills and other processes utilized in excavating horizontal underground passages or tunnels.
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Excavating, английский
Земляные работы; разработка выемок ~ of hard ground разработка плотного грунта hand ~ отрывка грунта вручную; земляные работы, производимые вручную
Horizontal, английский
- Горизонталь; горизонтальный
- Горизонталь; горизонтальный 287
- At right angles to the direction of gravity; on the level; parallel to the horizon; neither vertical nor inclined.
- A direction parallel to the horizon, or what is commonly termed lying flat. one of the greatest inconveniences navigators have to struggle with is the frequent want of a distinct sight of the horizon. to obviate this a horizontal spinning speculum was adopted by mr. lerson, who was lost in the victory man-of-war, in which ship he was sent out to make trial of his instrument. this was afterwards improved by smeaton, and consists of a well-polished metal speculum about 3-1/2 inches in diameter, inclosed within a circular rim of brass, so fitted that the centre of gravity of the whole shall fall near the point on which it spins. this is the end of a steel axis running through the centre of the speculum, above which it finishes in a square for the convenience of fitting a
Underground, английский
- Подземный
- Below grade or ground level, as underground drain lines or cables.
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Rack-and-, английский
Inion. see rack 1.
Manmade diamonds, английский
Industrial diamonds produced synthetically. also called mm diamonds. see diamond.
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