Abstract: Based on 3D printing technology, a cylinder head assembly of rotary valve engine was developed and trial- produced in this paper. The structure of the assembly, the lubrication system, ...

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Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Khadija Khartit is a strategy, investment, ...

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The "Garbage" Verdict: Why a viral mechanic's warning about 1.5L head gaskets is terrifying owners, and the critical driving habit that might save your engine block ...