Ключевые слова: abstract, background, banner, bio, business, cable, cardboard, clean, concept, connection, cord, cut, cutout, day, digital, earth, eco, ecological, ecology, electric, electricity, electronic, energy, environment, equipment, extension, field, grass, green, hands, holding, icon, idea, industry, land, leaf, line, meadow, natural, nature, object, organic, outdoor, paper, pin, plant, plug, power, prong, public, rural, shape, sign, silhouette, single, supply, symbol, technology, template, tree, volt, voltage, white, wired,