3 ms·
I don’t have a reference, but high quality steel making would be one.
by shardinator 7y ago
I don’t have a reference, but high quality steel making would be one.
- onecool 7y agoYou don't have a reference, because high quality steel was invented in the U.S. https://www.popularmechanics.com/technology/infrastructure/a20722505/history-of-steel/ https://www.popularmechanics.com/technology/infrastructure/a...
- shardinator 7y agoI'm talking about an earlier time https://en.wikipedia.org/wiki/Wootz_steel https://en.wikipedia.org/wiki/Wootz_steel