maria-pirecka documents

ENERGY SAVING POSTERS
Education ENERGY SAVING POSTERS
Oszczędzanie energii... Energy saving posters
Documents Oszczędzanie energii... Energy saving posters
Biogaz
Education Biogaz
Rośliny bioenergetyczne uprawiane w Polsce
Education Rośliny bioenergetyczne uprawiane w Polsce
Consumption of electricity energy
Education Consumption of electricity energy
Sycylia _Sicily 2014
Education Sycylia _Sicily 2014
Historia kropli wody pl (Story of water drop)
Education Historia kropli wody pl (Story of water drop)
Pomiar zużycia wody w naszej szkole (The measurement of water consumption in our school)
Education Pomiar zużycia wody w naszej szkole (The measurement of water consumption in our school)
5th Comenius Project Meeting - Turkey, February 2015
Education 5th Comenius Project Meeting - Turkey, February 2015
Reservoirs for rainwater
Education Reservoirs for rainwater