$1)$ What is necessary for computer VDT operation, so that we reduce carpal tunnel injuries? $$

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$2)$ When looking at equipment and how it performs to the user$$s standards, this could be described by what type of study? $($choose the best answer$)$

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a$)$ Descriptive

b$)$ Evaluation

c$)$ Experimental

d$)$ Storage

e$)$ All of these

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