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Chapter topics:
- Valgusallikad
- 1. Sissejuhatus
- 2. Valgus
- 3. Valgusallikas
- 4. Hõõglamp ja LED-lamp
- 5. Jaanimardikas ja teised helendavad liigid
- 6. Kokkuvõte
- Lisamaterjal
- Tunni kirjeldus ja kodutöö
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