ID 278331755 © Francescoscatena | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
galvanized steel zincplated zinc galvanizing precast industrial crossbeam roof beam architectural column construction site frame nut fastener bolt pillar building activity prefabricated industry detail metal iron structure bolts engineering girder assembly calculation calculating rooftop structures built rod buildings design modern technology architecture engineer connection new carpentry pillars beams