dantheclamman@lemmy.worldM to Wikipedia@lemmy.worldEnglish · 17 days agoTrack ballast (crushed stone used underneath train tracks, surprisingly important and technical)en.wikipedia.orgexternal-linkmessage-square11fedilinkarrow-up1114arrow-down10
arrow-up1114arrow-down1external-linkTrack ballast (crushed stone used underneath train tracks, surprisingly important and technical)en.wikipedia.orgdantheclamman@lemmy.worldM to Wikipedia@lemmy.worldEnglish · 17 days agomessage-square11fedilink
minus-squarepruwyben@discuss.tchncs.delinkfedilinkEnglisharrow-up4·17 days agoThanks, i was actually wondering about this stuff lately.
Thanks, i was actually wondering about this stuff lately.