Ключевые слова: builder, building, cement, concrete, construction, contractor, covering, development, equipment, finish, finishing, floor, flooring, grinder, grinding, helicopter, improvement, indoor, industrial, industry, lining, machine, pavement, polish, polisher, polishing, power float, power trowel, real estate, reconstruction, renewal, rennovation, repair, repairman, roughness, scour, scouring, skin, slab, smooth, surface, technology, trowel machine, walkbehind, wet, whirlybird, work, worker, working,