Ключевые слова: action, angle, arm, assembler, auto, axle, below, big, body, boom, bottom, building site, chassis, civil engineering, construction, crane, cylinder, edifice, elevator, erector, fuselage, heavy duty, hoist, huge, hydraulic, hydraulic piston, hydraulic ram, industrial, industry, ladder, lorry, low angle view, machine, machinery, mobile, piston, rubber, side, site, steel, tire, trace, tread, tyre, under, undercarriage, vehicle, view, wheel, yellow,