Ключевые слова: alternative, books, bookstore, booth, eco, ecological, ecology, economy, editorial, electricity, energy, engineering, environment, environmental, equipment, exhibition, fair, future, futuristic, green, innovation, italian, italy, made in italy, modern, panel, paneling, pavilion, people, photovoltaic, power, renewables, research, science, show, solar, stall, stand, sun, sunlight, sustainability, sustainable, technology, trade, visiting,