Birdwatch Note Rating
2023-08-13 11:14:37 UTC - HELPFUL
Rated by Participant: 1E154845167EE622D064F285448E8E74B79894E756BCDF2DA5F1F5752D303494
Participant Details
Original Note:
This is called a derailer. There are many uses for these which include stopping rolling stock (train cars) that get loose, protecting personnel nearby on the track, or preventing access to hazards or unauthorized areas. https://www.alberta.ca/derail-device.aspx https://industryrailway.com/safety-security/derails https://en.wikipedia.org/wiki/Derail
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