Comment on Why don't railroads need expansion joints?
RubberElectrons@lemmy.world 1 month agoI’m glad people can see in 30 minutes a lot of the metallurgical and chemistry techniques I learned in my University days.
Comment on Why don't railroads need expansion joints?
RubberElectrons@lemmy.world 1 month agoI’m glad people can see in 30 minutes a lot of the metallurgical and chemistry techniques I learned in my University days.