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mLine 4:
Line 4: − [[http://lisa.jpl.nasa.gov/]] They're also used in bar code scanners.+
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The use of lasers is very important in [[science]] and [[medicine]]; they have also become ubiquitous in [[CD-ROM]] and [[DVD]] players and as pointers.
The use of lasers is very important in [[science]] and [[medicine]]; they have also become ubiquitous in [[CD-ROM]] and [[DVD]] players and as pointers.
[http://lisa.jpl.nasa.gov/] They're also used in bar code scanners.
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[[category:technology]]
[[category:technology]]