Ключевые слова: ancient, architecture, background, bent, brick, brickwork, brown, building, cement, chemistry, clay, construction, detail, famous, faucet, flow, gas, georgia, house, industry, liquid, masonry, material, old, pipe, plaster, plumber, plumbing, pollution, red, set, sewage, solid, stone, stonework, structure, stucco, sulphur, surface, tbilisi, technology, texture, textured, thin, transportation, tube, urban, wall, water,