Stock photography, photos: Chemical Plant at Work Stock photos of Signs and Symbols of a Chemical Plant at Work - Smoke Stacks Photograph: © Verna Bice Click for a larger image and more information Keywords associated with this stock photo: chemical plant, industry, business, metal, pipe, pipes, chemicals, steam, smoke, steaming, industrial, release, production, produce, by produce, invironment, products, technology, technologies, chemical industry, operation, operational, structure, polution, manufacturer, chemicals, good, goods, services, creation, creating, making, commercial, american industry, chemical business, steel, aluminum, commercial enterprise, industrialisation, work, signs of work, signs of production, activity, application, labor, energy, power