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Caption: The sequence of events in a four-stroke diesel engine involves a single intake valve, fuel-injection nozzle, and exhaust valve.
Credit: Album / Universal Images Group / Encyclopaedia Britannica
Image size: 3825 × 2208 px | 24.2 MB
Print size: 32.4 × 18.7 cm | 1505.9 × 869.3 in (300 dpi)