Audio files from here: https://freesound.org

shipsbell
https://freesound.org/people/acclivity/sounds/32304/

boxing_3
https://freesound.org/people/Benboncan/sounds/66951/

dingding
https://freesound.org/people/ljudman/sounds/33244/

bowlbell
https://freesound.org/people/AncientOracle/sounds/476871/

ovending:
https://freesound.org/people/sethlind/sounds/265012/

cowbell:
https://freesound.org/people/timgormly/sounds/159766/

plunk:
https://freesound.org/people/sangtao/sounds/190935/
