Industrial style or industrial chic refers to an aesthetic trend in interior design that takes clues from old factories and industrial spaces that in recent years have been converted to lofts and other living spaces. Components of industrial style include weathered wood, building systems, exposed brick, industrial lighting fixtures and concrete. Industrial style can also be seen in the use of unexpected materials used in building. Shipping containers are now being used in architecture for homes and commercial spaces. The Industrial style of design is most commonly found in urban areas including cities and lofts.