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thumb| De Dion-Bouton engine (circa 1905) with a crankcase formed from separate castings of the upper and lower halves
thumb| De Dion-Bouton engine (circa 1905) with a crankcase formed from separate castings of the upper and lower halves
A crankcase is the housing in a piston engine that surrounds the crankshaft. In most modern engines, the crankcase is integrated into the engine block.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).