Arderea fibrelor naturale si a celor sintetice. Realizat de Stefan Mihaela Cocu Ciprian Colegiul National “Vasile Alecsandri” Galati, Romania. Obiectivul lucrarii. Observarea diferitelor proprietati ale fibrelor sintetice si naturale prin ardere. Modul de lucru.
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Realizat de Stefan Mihaela
Colegiul National “Vasile Alecsandri”