Railroad thermite welding

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An evening pause: These railroad construction workers don’t waste a move or a word as they weld two track lengths together. It is like watching a roughhewn ballet.

The engineering itself is clever, more than a hundred years old, and fascinating. This video explains it.

Hat tip Phill Oltmann.

One comment

  • Horrified

    One of the guys should make use of the eye wear on his forehead and the other guy should get a pair and think about his heavy lifting while tripping over the rail. One can’t work like that for years without serious injury.

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