Ключевые слова: bridge, caucasian, chemical, chemistry, construction, container, environment, equipment, factory, gravity, guide, industrial, industry, liquid, litter, material, mechanic, mineral, ore, overflow, paper, papermaking, plant, platform, pollution, process, product, production, pulp, recycle, reuse, rubbish, sedimentary, separate, separator, service, spacious, storage, sustainability, sustainable, tank, technology, thickener, waste, waster, water, work, workshop,