videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Small Block Chevy Engine Build: Crankshaft and Clearances (Part 1 of 2), Small Block Chevy Engine Build: Piston Assembly (Part 2), In the Garage with Parts Pro Performance Centers - "Mighty Mouse" Engine Build, Part 2