-
Read Before Use: Handling Chemical Products
Prevent accidents with Read Before Use.
With information about:
- chemical products;
- read before use;
- golden tips;
- hazard symbols;
- what to do in the event of an accident.
Translated by
Website (10)Teacher -
Wisc-Online: American educational resource database
Free secondary education materials made by American teachers: videos, learning objects, screencasts, images ...
Translated by
Website (5)Teacher