Method for removing oily substances from metallic articles
Method for the combustion treatment of toxic gas-containing wast
Method for waste disposal
Method of burning a fossil fuel
Method of operating a combined cycle power plant
Method of operating a combined cycle power plant
Method of operating a combined cycle power plant
Method of purifying waste gases, and a gas burner
Method of warming up a fuel evaporator
Methods for destroying colliery methane and system for practicin