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kraftsparend | |||
energiesparend; Energiespar- n | |||
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energieeffizient |
energy efficient: 19 phrases in 7 subjects |
Construction | 1 |
Ecology | 1 |
Education | 1 |
Energy industry | 8 |
Environment | 3 |
Natural resourses and wildlife conservation | 4 |
Research and development | 1 |