Coșul dvs. este gol.
Chemical substances in our everyday life: benefits and risks
This lesson introduces the uses and risks of the most important chemical industry products.
Chimie
Clase 7 – 9.
Autor: Dr. Nagy Márió
Lector: Horváthné Kunstár Andrea
Grafician: Haraszti Péter
Programator: Tóth Martin
Cuvinte cheie
mozaLink
/Link web