civil engineering, technician, labor, excavator transport

barrier box build building business caution cement civil compasses computer concrete cone construct construction crane danger deliver delivery device dig digging dividers electricity electronic engineer engineering equipment excavator gear hammer helmet hook icon illustration industrial industry isolated job labor lorry machine maintenance measure measurement mechanical notebook painting pencil plan profession professional repair roller safety saw screwdriver security sign site stationary structure stucco symbol tapeline technician technology tool tractor transport transportation trowel truck turbine under vector vehicle voltage work worker wrench