Ключевые слова: amethyst, background, black, business, career, gemstone, gemstones, group, hard, hat, healthy, helmet, hobby, industrial, industry, job, man, material, mine, miner, mineral, mineral stones, minerals, mining, natural, nature, occupation, pebble, people, person, precious, profession, silhouette, sky, stone, stones, team, work, worker, workers, young,