Without oil and gas, our daily lives will be much more difficult! From gas to...
This Oil & Gas Icon Set from the Violet Series Include: Power Plant Station, Oil Pump Production, Global Warming, Oil Barrel, Factory Production, Gas Station, Storage Tank, Pressure Meter, Drilling Rig, Power Industry, Environmental Pollution, Fossil Fuels, Transmission Tower, Gas Pipeline, Industry Worker, Nuclear Plant, Coal Mining, Gas Tank, Hydro...