Polar class icebreaker

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41	2.6 History and Development of Arctic Marine Technology Growth of Arctic Marine Technology During the latter part of the 19th century, oars and sails gradually became obsolete and were replaced by Add to Reading List Source URL: arcticportal.org Language: English - Date: 2009-05-05 09:48:44 Nuclear-powered icebreaker Taymyr Oil tankers Double acting ship Arktika class icebreaker Pilot USCGC Polar Star Lenin Finnish icebreaker Botnica Watercraft Icebreakers Ships built in Finland
42	PDF Document Add to Reading List Source URL: www.wartsila.com Language: English - Date: 2012-08-29 05:35:43 Ship construction Water Ice class Bow thruster Transport Ships built in Finland Icebreaker Wärtsilä Polar class Sea ice Watercraft Baltic Sea
43	PDF Document Add to Reading List Source URL: www.arctic.gov Language: English - Date: 2009-07-09 18:41:47 Sea ice International relations Arctic Ocean Canada–United States relations Russia–United States relations Icebreaker United States Arctic Research Commission Polar ice packs Ice class Physical geography Extreme points of Earth Arctic
44	PDF Document Add to Reading List Source URL: www.iacs.org.uk Language: English - Date: 2011-03-18 05:46:06 Ship construction Sea ice International Association of Classification Societies International Maritime Organization Waterline Polar class Icebreaker Hull Ship Water Naval architecture Transport