On 09/05/2021 18:26, Brian Gaff (Sofa) wrote:
What sort of person goes around looking under fire engines. I never knew
they had them, would hey not rattle a bit?
Brian

I have no idea. I presume that they don't rattle too much, as they are
used not just on fire engines, but on many normal, American trucks. I
only knew about them as I happened to see a video, on Youtube a few
weeks ago, showing them working on a truck on a snow covered road.