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Rechenstab m |
screen bar : 35 phrases in 10 subjects |
Chemistry | 2 |
Construction | 1 |
Environment | 3 |
General | 1 |
Mining | 6 |
Natural resourses and wildlife conservation | 17 |
Sample preparation | 1 |
Sewage and wastewater treatment | 2 |
Technology | 1 |
Transport | 1 |