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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 .
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.
If static force is applied to a sheet of ice it will flex slightly before suffering a catastrophic failure. Since the ice will bend slightly when any capable vehicle travels on ice-covered water, it follows that travelling at some critical speed may impose sufficient flexing of the ice sheet to cause resonance, and this may result in positive feedback effectively amplifying the oscillation ...
The U.S. Coast Guard Cutter Thunder Bay (WTGB-108) clears a channel for vessels to navigate the frozen Hudson River. A river icebreaker is an icebreaker specially designed to operate in shallow waters such as rivers and estuaries, and often able to pass through canals and under bridges. [1]
Project 22220, also known through the Russian type size series designation LK-60Ya, [note 1] is a series of Russian nuclear-powered icebreakers.The lead ship of the class, Arktika, was delivered in 2020 and surpassed the preceding Soviet-built series of nuclear-powered icebreakers as the largest and most powerful icebreaker in the world.
Project 10510, also known through the Russian type size series designations LK-110Ya and LK-120Ya [note 2] or the project name Leader (Russian: Лидер, romanized: Lider), [9] is a planned series of Russian nuclear-powered icebreakers.
In official context and legislation, the ice classes are usually spelled with Roman numerals, e.g. IA. [3] Classification societies may sometimes use somewhat different distinguishing marks for Finnish-Swedish ice classes; for example, 1A Super is defined as Ice Class I AA by the American Bureau of Shipping (ABS) and ICE(1A*) by DNV GL. [4]