Ключевые слова: 3d, art, battery, beaker, cable, charging, chemical, chemistry, color, colorful, contour, cylinder, discovery, eco, ecology, electric, electricity, energy, equipment, experiment, flammable, flask, fuel, glass, glassware, gradient, green, icon, illustration, isolated, isometric, lab, line, linear, lineart, outline, petrol, plug, power, propane, steel, tank, technology, test, tube, vehicle,