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2. Harbor Freight Tools - Wikipedia

   en.wikipedia.org/wiki/Harbor_Freight_Tools

   Harbor Freight Tools, commonly referred to as Harbor Freight, is an American privately held tool and equipment retailer, headquartered in Calabasas, California. It operates a chain of retail stores, as well as an e-commerce business. The company employs over 28,000 people in the United States, [5] and has over 1,500 locations in 48 states. [6] [7]

3. Semi-trailer aerodynamic device - Wikipedia

   en.wikipedia.org/wiki/Semi-trailer_aerodynamic...

   Semi-trailer aerodynamic devices are devices affixed to semi-trailers, for the purpose of reducing aerodynamic drag caused by air turbulence. The two major types of device in use are trailer skirts (or side skirts ), affixed to the underside of trailers, and trailer tails (or boat tails , or rear fairings ), affixed to the rear.

4. Automated guided vehicle - Wikipedia

   en.wikipedia.org/wiki/Automated_guided_vehicle

   An automated guided vehicle (AGV), different from an autonomous mobile robot (AMR), is a portable robot that follows along marked long lines or wires on the floor, or uses radio waves, vision cameras, magnets, or lasers for navigation.

5. Drilling stabilizer - Wikipedia

   en.wikipedia.org/wiki/Drilling_stabilizer

   Integral drilling stabilizer with tungsten carbide bricks (TCB) hardfacing A drilling stabilizer is a piece of downhole equipment used in the bottom hole assembly (BHA) of a drill string . It mechanically stabilizes the BHA in the borehole in order to avoid unintentional sidetracking, vibrations, and ensure the quality of the hole being drilled.

6. Ship stability - Wikipedia

   en.wikipedia.org/wiki/Ship_stability

   Angular momentum is the measure of effectiveness for a gyro stabilizer, analogous to horsepower ratings on a diesel engine or kilowatts on a generator. In specifications for gyro stabilizers, the total angular momentum (moment of inertia multiplied by spin speed) is the key quantity. In modern designs, the output axis torque can be used to ...

7. Stabilizer (ship) - Wikipedia

   en.wikipedia.org/wiki/Stabilizer_(ship)

   In 1915 the gyroscopic stabilizer was mounted on US destroyer USS Worden (DD-16). [4] The World War I transport USS Henderson, completed in 1917, was the first large ship with gyro stabilizers. It had two 25-ton (23 t), 9-foot (2.7 m) diameter flywheels mounted near the center of the ship, spun at 1100 RPM by 75 HP AC motors. The gyroscopes ...