Metal pipes for ventilation system on flat roof of school

Size: 5472px × 3648px
Location: netherlands
Photo credit: © Ben Schonewille / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: air, air-tight, building, carriers, change, circulation, construction, dome, domes, drainage, duct, felt, flat, fresh, mechanical, metal, pipes, piping, roof, roofing, school, skylights, support, system, ventilation, waterproof