Подчеркните в предложениях герундий и укажите его функцию: . 1 . there is an idea of using nuclear power plants to generate hydrogen. 2. generating electricity by conventional methods is very expensive. 3. some power stations in the south are based on utilizing the heat of the sun. 4. a generator is a device for converting mechanical energy into electric energy. 5. using atomic fuel for the production of electricity is very promising but dangerous.
