Apple MacBook Hard Drive Spécifications télécharger pdf (Page 75)

75Chapter 5 Last, but Not Least

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

Changehandpositionsoftentoavoidfatigue.Somecomputerusersmightdevelop

discomfortintheirhands,wrists,orarmsafterintensiveworkwithoutbreaks.Ifyou

begintodevelopchronicpainordiscomfortinyourhands,wrists,orarms,consulta

qualiedhealthspecialist.

External Mouse

Ifyouuseanexternalmouse,positionthemouseatthesameheightasthekeyboard

andwithincomfortablereach.

Chair

Anadjustablechairthatprovidesrm,comfortablesupportisbest.Adjusttheheight

ofthechairsoyourthighsarehorizontalandyourfeetareatontheoor.Thebackof

thechairshouldsupportyourlowerback(lumbarregion).Followthemanufacturer’s

instructionsforadjustingthebackresttotyourbodyproperly.

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Apple MacBook Hard Drive Spécifications Page 75