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 Czech Republic, a collaborative effort to improve the coverage of the Czech Republic 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.Czech RepublicWikipedia:WikiProject Czech RepublicTemplate:WikiProject Czech RepublicCzech Republic articles
This category is within the scope of WikiProject Mining, a collaborative project to organize and improve articles related to mining and mineral industries. If you would like to participate, you can edit the attached category, or visit the project page, where you can see a list of open tasks, join in the discussion, or join the project.MiningWikipedia:WikiProject MiningTemplate:WikiProject MiningMining articles
