【引用】
https://pbs.twimg.com/media/DYGc7RUWkAIpfuX?format=jpg&name=4096x4096
https://upload.wikimedia.org/wikipedia/commons/d/dc/4StrokeEngine_Ortho_3D_Small.gif
https://www.tvh.com/sites/tvh/files/inline-images/Valves%20and%20related%20parts%20%282%29_0.jpg
https://i.makeagif.com/media/5-31-2016/s5UuGp.gif
https://www.youtube.com/watch?v=tjTFTQpmOng
https://i.pinimg.com/736x/20/00/99/200099fe44c06ba31fde84b961b23cfd.jpg
https://i.pinimg.com/736x/d9/7d/a1/d97da1cb23bbfa7ddb9b32ee32908628.jpg
https://cdn-4.motorsport.com/images/amp/6D1eBLx0/s1000/charles-leclerc-ferrari-sf1000.webp
https://i0.wp.com/thejudge13.com/wp-content/uploads/2014/02/renault-gordini-v6-1-5litre-turbo.jpg
https://scarbsf1.com/valves/renault_pneu_valve_1.jpg
https://i.pinimg.com/736x/55/73/53/5573535e63fe8c65784683f4f58ad95b.jpg
https://global.honda/en/F1/machine/1992_McLarenHondaMP47A/img/5.jpg
https://motorsportmagazine.b-cdn.net/wp-content/uploads/2014/07/start-45.jpg
https://hackaday.com/wp-content/uploads/2021/03/mercedesf1engine-pic.jpg