Ключевые слова: ancient, april, artisan, background, bulgaria, business, cellulose, commerce, creativity, demonstration, dried, editorial, environment, fair, fiber, handmade, hands, letters, live, making, man, manufacture, manufacturing, materials, medieval, old, organic, page, paper, press, process, product, pulp, pulping, raw, recycle, shapes, sheet, tarnovo, tools, traditional, transform, vegetable, veliko, water, wet, white, worker, workplace,