farmer, tractor, harvesting, maintenance, digger, exploitation, machinery, technology, potato, equipment, industry, machine, vegetables, agriculture, process, digging up, tubers, extract, root, surface, farming, farmland, autumn, examines, digs out, soil, root vegetables, work, field, farm, agricultural, agribusiness, worker, plantation, land, rural, nature, working, use, agroindustry, adult, manages, growing, production, products, food, caucasian, man, digging, out