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| energia poluente | |||
| energia convencional (energia pozyskiwana z takich źródeł jak węgiel, drewno, gaz, itp. w przeciwieństwie do energii alternatywnej takiej jak energia słoneczna, energia wiatru itp.) | |||
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energia konwencjonalna : 2 phrases in 1 subject |
| Electronics | 2 |
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