State the engineering applications of LASER.

State the engineering applications of LASER.  
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Answer :

i) Lasers are used for engraving and embossing of printing plates For example- number plate, name plate etc., ii) Lasers are used in cutting, drilling and welding metals. iii) Lasers are used in holography iv) Lasers are used in computer printers v) Lasers are used for 3D, Laser scanners vi) Lasers are used in controlled heat treatment vii) Lasers are used for data transfer through optical fiber from one computer to other viii) Lasers are used to find flaws or defect in material. 
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