50 for 50 every Watt is at a premium

During the Science Day in our school in Kobylnica, children made some posters about a proper usage of water, heat and energy. For that matter, they created a campaign , which main goal was to raise people awareness about saving water supplies.

50 for 50 every Watt is at a premium

During the Science Day in our school in Kobylnica, children made some posters about a proper usage of water, heat and energy. For that matter, they created a campaign , which main goal was to raise people awareness about saving water supplies.