Some older cars, as well as many boat and utility trailers, have wheel bearings that require grease jobs. Here's how often ...

It's based on a 2025 Mercedes Sprinter and features countless creature comforts, including a fixed bathroom and a tiny but ...

Abstract: Gear transmission system (GTS) is an essential component of the traction system of high-speed trains (HSTs). Polygonal wear is a common wheel failure phenomenon during the operation of HSTs.

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