Ключевые слова: bent over, checking, communication, concrete well, control, drinking water, fitter, flashlight, hatch, industrial, infrastructure, inspection, inspector, leakage, maintenance, male, man, municipal, open, pipeline, piping, plumber, plumbing, plumbing work, repairman, service, sustaining, system, technician, torch, underground, uniform, verification, water, water meter, water supply, water system, well, work, worker,