flat line color civil engineering and construction site industry

barricade barrier blueprint brick brush build building business cart caution civil coat computer concrete cone construct construction crane danger delivery dig digging dividers drill engineer engineering equipment excavator flat forklift galvanometer gear hammer helmet icon industrial industry job kit labor laptop line logistic maintenance measure measurement mechanical meter paint painting pencil repair roller ruler safety saw screwdriver security shovel sign site spade structure stucco symbol tapeline technician technology tool tractor transportation trowel under vector vehicle vibration work worker working wrench