Ключевые слова: arduous, barrier, building lot, channel, channel worker, cleaning, congested, construction, construction site, cordoned, craft, culvert, danger, dangerous, free, granite, handcraft, helper, manhole, manhole cover, outdoor, outside, reconstruction, redecoration, refurbishment, remedial action, renovation, restoration, restructuring, roadman, roadworks, roustabout, safe, safety, save, sewer, stone, street, streetwork, streetworks, strenuous, stressful, structure, unsafe, unskilled, work, worker, workman,