While welding as it is known today did not come about until the 19th century, primitive welding processes have been in existence for thousands of years. Metal tools and weapons have been discovered dating back to 1000 B.C.E. It was during the Bronze Age that humans first learned to fuse two metals together using heat. The Iron Age brought about increased use of fusing procedures. In the Middle Ages, blacksmithing was developed, which joined two metals through the use of fire and hammering
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