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sampling- tube : 20 phrases in 13 subjects |
Agrochemistry | 3 |
Analytical chemistry | 1 |
Construction | 1 |
Energy industry | 1 |
General | 2 |
Gold mining | 1 |
Laboratory equipment | 1 |
Meteorology | 2 |
Mining | 1 |
Natural resourses and wildlife conservation | 2 |
Oil / petroleum | 2 |
Oil and gas | 2 |
Technology | 1 |