Ключевые слова: agriculture, background, block, blockhead, bulgaria, burgas, business, chump, chunk, environment, equipment, factory, farm, food, history, industry, log, lump, manufacturing, material, method, nature, no people, objects, obsolete, old technology, outdoors, pastque, paving, real, salt, salt production, salty, summer, sunny, technology, timber, tour, travel, wood, wooden pavement, work, working,