Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
Side view of male worker installing solar modules and support structures of photovoltaic solar array
steel bridge closeup
Building new home building requires installation of metal support stairs to a second floor
Steel structure roof truss frame is installed during construction of a warehouse
Supporting beams with timber framing with an unfinished at during a house remodeling
Construction site featuring steel column foundation with visible electrical wiring tools
In new building, metal support stairs leading to a second floor are being installed
An excavator fills irregularities in excavations with granite rubble base for which concrete
Construction of a new house often involves use of wooden frame beams
