Hand Working Metal In Japan

Yeah Gary very neat article, i just thought given they use sound and bunch of other things to determine how they doing, i wondered how long their hearing lasts with banging all day long.
 
No one would believe

What a strange fact to know, I am sure if I would tell to some one that in spite of having state of the art technology, hammers are being used to mold the bullet train noses; no one would believe me.
 
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