Welding
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The
welding is the process of joining metals by melting the pieces and then using a
filler to form a gasket. This can be done using different energy sources, from
a gas flame or electric arc to a laser or ultrasound.
Until
the early 20th century, welding was done through a process known as forged
welding, which consists of heating the pieces to be repaired and then hammering
until they coalesce. With the advent of electricity, the process became easier
and faster, and played an important role in the industry scene during the First
World War and II.
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