This category is within the scope of WikiProject Energy, a collaborative effort to improve the coverage of Energy on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.EnergyWikipedia:WikiProject EnergyTemplate:WikiProject Energyenergy articles
This category is within the scope of WikiProject Poland, a collaborative effort to improve the coverage of Poland on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PolandWikipedia:WikiProject PolandTemplate:WikiProject PolandPoland articles
