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What is the mnemonic for the direction of loosening and tightening screws?

1 Answers

SanEverly

07/29/25 11:08pm

The mnemonic for the direction of loosening and tightening screws is 'left loose, right tight'—turn counterclockwise to loosen and clockwise to tighten. Screws utilize the physics and mathematics principles of inclined plane circular rotation and friction to gradually fasten mechanical components. Screws are the general term for fasteners in everyday language. Below are some driving precautions: Check the rearview mirror: When turning or changing lanes, always use the turn signal, slow down, and check the rearview mirror before turning. For left turns, primarily check the left rearview mirror; for right turns, primarily check the right rearview mirror. For both left and right turns, always check the interior rearview mirror. Don’t fixate on the front of the car: When driving on a clear road, look straight ahead at a distance of 100 meters, avoiding fixation on the immediate front of the car. Depress the clutch: Generally, when decelerating above 40 km/h, there’s no need to depress the clutch immediately—wait until the speed drops to around 20 km/h before doing so. Steering: For high-speed turns, steer slowly; for low-speed turns, steer quickly.

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