predetermined price. for delivery in 2005-2006. on double propulsion systems, rudders and steering gear. to be either dredged or closed down. bottlenecks affecting oil transportation. important component of the country's economic and political development. year outside Russian export ports in the Baltic Sea. broken ice, prepared by icebreakers. is transported through the narrow and difficult-to-navigate Bosphorus. Bosphorus during daytime. companies, which have invested billions of dollars in the region. problem. through the Bosphorus without having to wait for lengthy periods. in the future. safely even if one engine room or its systems should fail. superior manoeuvrability. trafficked waters with strong currents such as the Bosphorus. has also been utilised in the new tankers, i.e.