Electric Border siluetti 11 months 0 AC Power Plugs and Wall Outlet siluetti 11 months 0 Ac Power Plug siluetti 11 months 0 Plug siluetti 11 months 1 Power plug siluetti 11 months 0 Light siluetti 11 months 2 Bulb siluetti 11 months 2 Lightbulb siluetti 11 months 1 Electric siluetti 11 months 1 Bulb siluetti 11 months 1 Light siluetti 11 months 1 Light siluetti 11 months 1 Bulb siluetti 11 months 1 Energy-saving-lamp siluetti 11 months 2 Wind turbine siluetti 11 months 0 Wind turbine siluetti 11 months 2 Satellite siluetti 11 months 0 Electric poles siluetti 12 months 0 Road winter landscape siluetti 12 months 0 Cfl siluetti about 1 year 2 Bulb siluetti about 1 year 1 Light bulb siluetti about 1 year 1 Bulb siluetti about 1 year 0 Windmill siluetti about 1 year 0 Windmill siluetti about 1 year 3 Solar panel siluetti about 1 year 0 Solar panel siluetti about 1 year 0 Tuuliturbiini siluetti about 1 year 1 Tuuliturbiini siluetti about 1 year 3 Tuuliturbiini siluetti about 1 year 15 Tuuliturbiini siluetti about 1 year 4 Tuuliturbiini siluetti about 1 year 4 Solar panel siluetti over 1 year 0 Solar panel siluetti over 1 year 1 Solar Panel siluetti over 1 year 0 Bulb lamp siluetti over 3 years 29