Answer:
a. Polyvinyl Chloride.
b. Lead.
c. Chromium
Explanation:
Hello, here the explanations:
a. Polyvinyl chloride is a plastic which helps to build the shell of the monitors, keyboards and mouses because it is resistant, long-termed and electricity isolating.
b. Lead helps to connect the computer chips to the printed circuit boards since it is a pretty god electrical conductor.
c. Chromium is a metal used in plating applications such as coverages to either prevent corrosion or conduct the electricity.
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