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ballast m |
balastro : 37 phrases in 11 subjects |
Agriculture | 2 |
Communications | 3 |
Earth sciences | 1 |
Electronics | 2 |
Energy industry | 3 |
Lighting other than cinema | 3 |
Mechanic engineering | 4 |
Natural sciences | 3 |
Rail transport | 1 |
Technology | 1 |
Transport | 14 |