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77Chapter 5 Last, but Not Least
Understanding Ergonomics
Herearesometipsforsettingupahealthyworkenvironment.
Keyboard and Trackpad
Whenyouusethekeyboardandtrackpad,yourshouldersshouldberelaxed.Your
upperarmandforearmshouldformananglethatisslightlygreaterthanarightangle,
withyourwristandhandinroughlyastraightline.
Not this
This
Usealighttouchwhentypingorusingthetrackpadandkeepyourhandsandngers
relaxed.Avoidrollingyourthumbsunderyourpalms.
Not this
This
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