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Benjamin Franklin501 ta hujjat sotilgan
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Sanitary and hygienic requirements for illuminating factories. Proper lighting, spectrum composition, and brightness are crucial factors for a safe working environment, ensuring the well-being and vision health of workers
Hujjat haqida
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- Taqdimotlar | Fizika
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- PPTX
- Hajmi
- 10 bet
- Fayl hajmi
- 217.06 KB
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- Benjamin Franklin
- Qo'shilgan
- 30.06.2026









