Computer Ergonomical Hazards for TLE


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This PowerPoint is finding some earners to know ergonomics and these hazards. This presentation really explains that hazards can be controlled by a variety of methods. Learning this presentation is very fun and great to use so watch and see how hazards mean it to you. This represents how hazards means and how to assess the risks that people might have... Enjoy watching...
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Bhosx Shakurmuy Cruto

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Computer Ergonomical Hazards for TLE

  1. 1. We will identify how this presentation really controls our mind.  We will study how we will follow the rules in ergonomical hazard.  And we will think decisions and plans before doing the works well done… 
  2. 2. a: chairs Causes: o Feet cannot rest flat on floor. o Unable to sit with thighs parallel to the floor or with a slight downward angle from hips to knees. o Front edge of seatpan presses into back of knee. o Chair lumbar support not supporting the small of the back. o Space exists between spine and backrest. o Armrests provide inadequate forearm
  3. 3. A: chairs Preventions: o raise/lower chair to allow feet to rest comfortably flat on floor. o Use footrest if keyboard/desk height requires an elevated chair. o Adjust chair height so that feet remain flat on floor or footrest but thighs are also parallel to floor. o Choose a chair with 2-3 fingers width between front edge of the chair and back of knees. o Attach a removable back support cushion to existing backrest to short seat pan.
  4. 4. B: KEYBOARD/MOUSE/OTHER INPUT DEVICE CAUSES: o Wrist is not flat. o Forearms are not parallel with floor or shoulders are tensed when using keyboard/mouse and other input device. o Wrist is deviated. o Reaching to side or front when
  5. 5. B: keyboard/mouse/other input device Prevention: o adjust seat hei so that keyboard and mouse sits just below elbow height. o Raise or lower adjustable work surfaces in systems furniture so that they are just below seated elbow height. o Ensure adequate space for input device. o Place mouse/input device beside
  6. 6. C: monitor and workstation CAUSEs: o head tilted up/down repeatedly for a long time while working in the desk. o Head is not directly over the spine. o Hard/sharp objects press into skin. o Twisting of torso.
  7. 7. C: Monitor or workstation PREVENTIONs: o Raise/lower the monitor so eyes are in line with top line of text. o Position the monitor directly to the user. o Use a hands-free system. o If user is right-handed arrange accessories to the right of the computer. o Pad sharp edges on desktop with a foam.
  8. 8. D: environmental Causes: o Too much/too little light. o Glare on monitor. o Temperature is less than 20 degrees celsius to 24 degrees celsius.
  9. 9. D: environmental Preventions: o Reduce the amount of light in work area especially ceilingmounted light fixtures. o Use appropriate task-lighting. o Prevent source of glare reach the monitor. o Raise/reduce temperature for individual comfort.
  10. 10. ??? !!! ?!?