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What is readily liquefied, relatively inert, nontoxic, noncombustible, and volatile and has been used as a coolant in refrigerators and air conditioners but is harmful to the ozone layer in the stratosphere?
Nonvolatile Storage
A type of storage that retains data even after power off, such as SSDs, flash drives, and hard disks.
Laser
A device that emits a highly focused beam of light, commonly used in various technologies such as cutting and communication.
System Unit
The main body of a computer, housing the motherboard, central processing unit (CPU), power supply, and more, excluding peripheral devices.
Optical Media
Storage disks such as CDs, DVDs, and Blu-rays that use laser light to read and write data.
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