A long perspective view inside a wooden formwork structure made of plywood sheets, prepared for pouring concrete to build an underground drainage system, trench, or water culvert channel at a civil engineering construction site. Poster #896451598
A long perspective view inside a wooden formwork structure made of plywood sheets, prepared for pouring concrete to build an underground drainage system, trench, or water culvert channel at a civil engineering construction site. Poster #896451598
