samochód; Autor: mastermesh [Public domain lub Public domain], Wikimedia Commonsm
młotek; Autor: Work With Sounds / Konrad Gutkowski [CC BY 4.0 (http://creativecommons.org/licenses/by/4.0)], Wikimedia Commons
wiertarcenie; Autor: stephan [Public domain lub Public domain], Wikimedia Commons
piłowanie; Autor: Work With Sounds / Technical Museum of Slovenia [CC BY 4.0 (http://creativecommons.org/licenses/by/4.0)], Wikimedia Commons
ulewa; By Sage Ross (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons
niedźwiedź; By Shizhao (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
traktor; By Work With Sounds / Werstas [CC BY 4.0 (http://creativecommons.org/licenses/by/4.0)], via Wikimedia Commons
skuter; Autor: Work With Sounds / Technical Museum of Slovenia [CC BY 4.0 (http://creativecommons.org/licenses/by/4.0)], Wikimedia Commons
