Stock photography, photos: Signs and Symbols of Industry Stock photos of Signs and Symbols of Industry at Work - Business Photograph: © Verna Bice Click for a larger image and more information Keywords associated with this stock photo: digital merged, factory, manufactory, manufacturing, manufacturing plant, industrial plant, industrial, pid, piping and instrument diagram, plan, plans, diagram, construction, build, building, future plans, production, industry, business, building plans, engineering, engineers plans, drawing, drawings, professional, improvement, improvements, career, careers, architect, cup of coffee, coffee, beverage, beverages, drink, hot drink, glasses, eye glasses, eyeglasses, verna bice