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 Switzerland, a collaborative effort to improve the coverage of Switzerland 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.SwitzerlandWikipedia:WikiProject SwitzerlandTemplate:WikiProject SwitzerlandSwitzerland articles
