Apple MC371LL/A Laptop User Manual


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74 Chapter 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.
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Usealighttouchwhentypingorusingthetrackpadandkeepyourhandsandngers
relaxed.Avoidrollingyourthumbsunderyourpalms.
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