Ключевые слова: building, casement, cell, communication, department, detachment, division, dwelling, engineering, equipment, establishment, gap, gleam, hole, house, iron, isolation, ladder, light, machinery, mechanism, metals, mirror, orifice, pipe, place, premises, quadrant, reflection, reflex, residence, reverberation, section, sector, separation, side, staircase, stairs, stairway, technics, technique, technology, trunk, tube, wall, windows,