Ключевые слова: activity, amber, archaeology, backhoe, baltic, baltic sea, bulldozer, combine, construction, development, dig, digger, dredge, earth, equipment, excavate, excavation, excavator, extraction, factory, geology, gravel, ground, heavy, industrial, industry, kaliningrad, kaliningrad region, large, machine, machinery, mine, mineral, mining, ore, palmnicken, pit, primorsky, quarry, rock, sand, scoop, site, soil, technology, transport, walking, work, yantarny,