martes, 11 de julio de 2017

How does a Tug Boat work? (Video)

How Tugboat Works


A tugboat (tug) is a boat that maneuvers vessels by pushing or towing them.               Tugs move vessels that either should not move themselves, such as ships in a crowded harbor or a narrow canal, or those that cannot move by themselves, such as barges, disabled ships, log rafts, or oil platforms. Tugboats are powerful for their size and strongly built, and some are ocean-going. Some tugboats serve as icebreakers or salvage boats. Early tugboats had steam engines, but today most have diesel engines. Many tugboats have firefighting monitors, allowing them to assist in firefighting, especially in harbors.

Activity: How does a Tug Boat work?

1) Make a list of technical words from the video

2) Write sentences explaining the main ideas from the video

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