e/Ultra Trencher 1

Information
has gloss	eng: Ultra Trencher 1 (UT1) is (as of 2008) the world's largest submersible robot, used for burying undersea pipelines in a trench in the sea floor. It has a mass of 60 tons and measures 7.8 meters long, 7.8 meters wide, and 5.6 meters tall. It costs roughly £10 million. It can move at a speed of 2 to 3 knots when submerged and can trench pipelines with a 1-meter diameter water up to 1,500 meters deep. It uses a pair of "jet swords" to create the trench by injecting pressurized water into the sediment.
lexicalization	eng: Ultra Trencher 1
instance of	c/Robotic submarines