Ключевые слова: access, canalization, cesspool, communication, construction, drainage, elimination, equipment, fitter, fix, hand, hatch, hole, industry, infrastructure, inspection, job, lid, maintenance, malfunction, man, manhole, open, pit, plumber, plumbing, repair, repairman, reservoir, revision, sanitary, septic tank, service, sewage, sewer, sewer hatch, sewer well, sewerage, sunroof, system, underground, water, work, worker,