Ключевые слова: air, capacity, cavern, chamber, construction, containment, design, development, efficiency, energy, engineering, environment, equipment, extraction, facility, filtration, gas, geological, heavy, illumination, industrial, infrastructure, innovation, installation, liquid, logistics, machinery, maintenance, management, monitoring, pipes, process, production, resources, safety, secure, service, solution, standards, storage, support, surgery, systems, tanks, technology, transport, tunnel, underground, utility, vault, ventilation, workflow,