Ключевые слова: abstract, aluminium, aluminum, beer, beverage, can, cap, caps, container, design, donate, drink, food, hardware, hospitality, industrial, industry, iron, macro, material, metal, metallic, object, open, opener, packaging, part, pile, pop, pressure, product, pull, recycle, recycles, recycling, ring, silver, single, space, stainless, steel, tab, tin, water,