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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Jul 2017 |
| Last Sign in: | 304 Weeks Ago, 2 Days Ago |
| Questions Answered: | 15833 |
| Tutorials Posted: | 15827 |
MBA,PHD, Juris Doctor
Strayer,Devery,Harvard University
Mar-1995 - Mar-2002
Manager Planning
WalMart
Mar-2001 - Feb-2009
A. How It's Made: Compact Discs
1. What metal is typically used to create the reflective surface of a CD?
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2. After the reflective surface of a CD is applied, what is the name of the material that is next applied to provide a protective covering?
3. What kind of plastic is used to make CD’s?
4. Briefly describe how information is placed onto a manufactured compact disc.
D. How It's Made Fiber Optics
1. What is the name of the material that fiber optic cables are typically made from?
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2. Which are currently more expensive fiber optic cables or copper cables?
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3. Which are more susceptible to electromagnetic interference fiber optic cables or copper cables?
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4. Briefly describe the process used to create fiber optic cables.
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