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puhastustsükkel |
cyklus: 21 phrases in 14 subjects |
Accounting | 1 |
Chemistry | 1 |
Commerce | 1 |
Electronics | 1 |
Energy industry | 1 |
Environment | 7 |
Finances | 1 |
General | 1 |
Life sciences | 1 |
Microsoft | 1 |
Nuclear physics | 2 |
Social science | 1 |
Transport | 1 |
Waste management | 1 |