Ключевые слова: activity, background, backhoe, big, cat, cats, claw, claws, close, construction, digger, dirt, dredge, dug, earth, equipment, excavation, excavator, farmer, fluffy, funny, furry, gray, ground, hand, heavy, hydraulic, industrial, industry, kitty, land, loader, machine, machinery, mammal, metal, nature, outdoor, sand, scoop, shovel, site, sleeping, soil, steel, transportation, up, vehicle, wheel, work,