road construction work in the city

excavator miniexcavator constructionsite roadconstructionworkers specialequipment construction redbarrier road engineering heavy equipment mini-excavator pipe building transportation city vehicle pipes technology material ground services leakingpipe excavation work pipesystem maintenance cement urban site machine machinery repair roadrepair piperepair roadconstruction collector workers infrastructure asphalting plastictube bulldozer industry builder industrial asphalt worker tractor street