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African emerald
| Глоссарий горнодобывающей промышленности |
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African american, английский
African association for the remote sensing of the environment, английский
African civil aviation commission, английский
Африканская комиссия по гражданской авиации
African diamond fields, английский
Practically all diamonds, other than carbon, produced in brazil and used in diamond bits were dodecahedral-shaped diamonds. dog. 1. any of the various devices used for holding, gripping, or fastening something. 2. to hold, grip, or fasten. 3. a nonstandard or poorly made tool or piece of drilling quipment.
African diaspora, английский
The forced removal of africans from their homelands to serve as slave labor in the americas.
African geodetic reference frame, английский
African inland mission, английский
African journal of geoinformation, английский
African methodist episcopal сhurch, английский
African trypanosomiasis, английский
Same as sleeping sickness
African-americans, английский
Афро-американцы
Africanized honey bee, английский
"killer bees." a threat to people involved in outdoor activities throughout the state including hiking, hunting, fishing, and farming.
Africanus, i, m, латинский
Emerald, английский
Cr-doped beryl
Emerald copper, английский
Emerald cut, английский
- A square or rectangular cut diamond with diagonal corners. most emerald cut diamonds have between two and four rows of facets that lie parallel to the girdle.
- The emerald-cut is among the most classic of diamond shapes and is usually cut into a rectangular shape. its clean lines come from step-cutting, or parallel line facets and it is always cut with blocked (cut) corners. the length-to-width ratios for the emerald cut is typically 1.5:1 ratio, meaning that the length of the stone is be about 1½ times the width of the stone, which is the correct way to cut a true emerald shape, however, the emerald can also be cut into a square shape where it is referred to as a ‘square emerald’ which can look similar to the asscher cut.
Emerald filter, английский
Emerald glass, английский
Emerald jade, английский
Emerald loupe, английский
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Afterblast, английский
A-frame headgear, английский
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