Labels:chat room | dialog box | hakham | monitor | web site OCR: THE COMPUTER INDUSTRY HISTORY CAREERS AND ETHICS 5 4 1 What factors help maintain poob circulation? Your chair should not prevent good circulation to your legs. Make sure there at least 2 inches (5 cm) of clearance between your calf and the front of your chair. Your thighs should be parallel ta the to allow for poob blood flow; if necessary use footrest t to raise your feet and reduce the pressure on the backs of your thighs. What else can cop To combat potential health hazards associated with computer use you should try to take breaks periodically. say, every 20 min- utes or at least once every hour. At minimum try the 20/20/20 break: Every 20 minutes, take 20 seconds and look 20 feet away. Longer breaks 01 two to five minutes are more effective. During longer break stand up to change you ...
