- energy
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- energy
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- energy
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- energy
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- energy-saving
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- energy resources
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- energy shares
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- energy sector
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- energy-intensive
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- energy efficient
- energiesparend attr
- energy efficient
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- effective energy
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- energy-efficient
- energieeffizient (sparsam im Umgang mit Energie)
- secondary energy
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- primary energy
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- energy transfer
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- wave energy
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- energy source
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- activation energy (Ea)
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- energy conversion
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- energy independent
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- energy balance
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- energy currency
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- energy efficiency
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- energy consumption
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- energy-coupling
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- energy equivalent
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