Twemoji graphics: Copyright 2020 Twitter, Inc and other contributors.
Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).
License: https://creativecommons.org/licenses/by/4.0/
Full license: /licenses/twemoji/LICENSE-GRAPHICS.txt
Source: https://github.com/jdecked/twemoji/tree/b6b55fef1e8636b540a6d016a4729ca8cdf2e60b

Oyako Games shinkeisuijaku vehicles, pack version 1:
car=1f697.svg; bus=1f68c.svg; bicycle=1f6b2.svg; airplane=2708.svg;
helicopter=1f681.svg; ship=1f6a2.svg; locomotive=1f682.svg; rocket=1f680.svg.
All eight files come from assets/svg/ at the fixed source commit above.
SVG artwork is unchanged; a final newline is added to each packaged file.
The application displays the image on a white backing, separately from the SVG.
Source file sizes and SHA-256: /licenses/twemoji/sources.json