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An icebreaker is a brief facilitation exercise intended to help members of a group begin the process of working together or forming a team.They are commonly presented as games to "warm up" a group by helping members get to know each other and often focus on sharing personal information such as names or hobbies.
This is a list of icebreakers and other special icebreaking vessels (except cargo ships and tankers) capable of operating independently in ice-covered waters. Ships known to be in service are presented in bold .
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The 42,000 DWT tankers, capable of breaking ice with a thickness of 1.4 metres (4.6 ft) at 3.5 knots (6.5 km/h; 4.0 mph), will be used to transport crude oil from the Novy Port oil fields in the Gulf of Ob to the ice-free port of Murmansk. [30] [31] The first vessel of the series, Shturman Albanov, was launched in early 2016. [32]
USCGC Healy at right breaks ice around the Russian-flagged tanker Renda, 250 miles (400 km) south of Nome, Alaska.. An icebreaker is a special-purpose ship or boat designed to move and navigate through ice-covered waters, and provide safe waterways for other boats and ships.
Polar-class icebreakers USCGC Polar Star (WAGB-10), USCGC Polar Sea (WAGB-11) are heavy icebreakers operated by the United States Coast Guard (USCG). These cutters, specifically designed for icebreaking, have reinforced hulls, special icebreaking bows, and a system that allows rapid shifting of ballast to increase the effectiveness of their icebreaking.
The 6-metre (20 ft) wide ice belt, where the hull plating was over 50 millimetres (2.0 in) thick in the bow, was designed to withstand ice pressures of up to 1,000 tonnes per square meter (about 1,400 psi), more than 30 to 60 times as much as normal merchant ships at the time.
Yermak assisting the stranded warship Apraxin, 1900 1976 Soviet postage stamp honoring the Yermak. An earlier vessel, the schooner Yermak, was commissioned for the 1862 attempt to find the Yenissei river delta by Paul Theodor von Krusenstern, by navigating from Murmansk through the Kara Sea to the destination, but unfortunately was shipwrecked before obtaining success.