Educational aids
![Measuring instruments](https://jangar.pl/c/2056-category_default/measuring-instruments.jpg)
MACHINE TRANSLATION (not authorised yet)
Measuring instruments for observation and research of the nearest environment (air, water, soil); during field classes as well as for further analyses during lessons.
MACHINE TRANSLATION (not authorised yet)
Measuring instruments for observation and research of the nearest environment (air, water, soil); during field classes as well as for further analyses during lessons.