Ключевые слова: american, big rig, blue, business, cargo, carrier, carries, carry, chain, chassis, climbing, columbia, commercial, conveyance, danger, day cab, delivering, delivery, diesel, driving, eco, eighteenwheeler, empty, fifth wheel, flat bed, fleet, forest, freight, gorge, haul, haulage, hauler, heavyduty, highway, industrial, loads, logistic, logistics, long haul, lorry, national, northwest, protection, pulling, rigs, road, route, running, safety, semi, semitruck, shipping, summer, tractor, traffic, trailer, trailers, transport, transportation, transporter, transporting, travel, trees, truck, trucking, trucks, wheels, winding,