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light- weight : 31 phrases in 13 subjects |
Boxing | 1 |
Chemistry | 2 |
Communications | 1 |
Construction | 5 |
Industry | 2 |
Materials science | 3 |
Medical appliances | 3 |
Metallurgy | 1 |
Packaging | 6 |
Pulp and paper industry | 1 |
Technology | 4 |
Transport | 1 |
Wrestling | 1 |