Heavy computer users who experience red, dry, itchy eyes should _____.
A. consider the use of artificial tears
B. consider the use of older, but more human friendly CRT monitors
C. keep their focus on their screens for long hours
D. avoid blinking often
Answer: A
Computer Science & Information Technology
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Indicate whether the statement is true or false
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Special vacuum _______ are needed when cleaning laser printers
Fill in the blank(s) with correct word
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