Kemia oppitunti koulun laboratoriossa. Lasikoeputket ja pullot, joissa on värireagensseja pöydällä. Kouluopetus ja kemialliset kokeet laboratoriossa. Laboratorion tutkimus ja kehittäminen.

Kemia oppitunti koulun laboratoriossa. - Valokuva, kuva

Kemia oppitunti koulun laboratoriossa. Lasikoeputket ja pullot, joissa on värireagensseja pöydällä. Kouluopetus ja kemialliset kokeet laboratoriossa. Laboratorion tutkimus ja kehittäminen. - Kuvapankin valokuva ja kuva

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