Icons of smoke. Chimney, steam, smell, aroma logos. Heat, fume, odor from grill and cooking. Odour of coffee. Perfume scent in air. Graphic swirls. Waves of emission smog, gas in line style. Vector.. Icons of smoke. Chimney, steam, smell, aroma logos. Heat, fume, odor from grill and cooking. Odour of coffee. Perfume scent in air. Graphic swirls. Waves of emission smog, gas in line style. Vector