Ключевые слова: alternative, basket, bin, black, button, can, clean, cyan, design, dustbin, ecology, electric, electricity, energy, environment, flat, garbage, generator, global, globe, hydro, icon, illustration, industry, isolated, junk, nature, object, old, planet, power, recycle, renewable, rubbish, science, sign, square, symbol, technology, trashcan, turbine, turquoise, waste, water, wheel, windmill, world,