Dust or extreme moisture can cause damage.
If as an individual you own your own computer you’ll need to regularly dust your computer and also a vacuum cleaner may also help to remove excess dust
Keep liquids away from computers.
If in any way some sort of liquid is spilled on the computer you should immediately turn off the computer and unplug the device as this may cause some damage to the computer, if not you should dry the computer and see for any damages
Do not drop items on a computer or drop the computer itself.
Dropping any objects on the computer can cause any internal damage to the computer
Save your work often
Saving your works help the computer to not be corrupted and not cause any damage
Keep magnets away from your computer and disks
Having magnets next to your computers and disks can erase information
Keep your work area clean
Having a clean area tends to help the computer function properly
http://www.calvin.edu/academic/rit/webBook/chapter2/user/environment.htm http://library.thinkquest.org/5862/httcoyc.htm Health And Safety Factors Associated With The Computer.
Health Ergonomics
Effects of extended use
Long term computer exposer can cause eye strain
Using the computer for a long period of time causes the eye to be stained due to too much light
Carpal tunnel syndrome
This is a pinched nerve in the wrist and is caused due to the excessive amount of typing on the computer
Inappropriate lighting
Eye Strain Materials should be placed on a document holder and moved close enough to the screen so that you do not have to swing your head and eyes back and forth from your material to the computer screen so that your eyes are not constantly changing focus, and your muscles can become stiff and sore, and you will not tend to fatigue the eye `quicker, causing eye strain and headache symptoms.
Adjusting your lighting to eliminate or decrease glare and harsh reflections.
Adjusting the light on the computer may help to decrease the eye strain and helps to decrease the problem and cause less damage to the eyes.
Inappropriate furniture
Having inappropriate furniture in an office or workplace causes serious rise in the back, lower back, shoulder, wrist, knee and foot problems, but apart from those problems there are sight related problems that also causes serious damage to the eye.
Bad Posture
Sore Muscles
The most common effect of bad posture are sore muscles. As you slouch, the muscles have to work harder to keep the spine stabilized and protected. Which cause to muscle to get tight and fatigued. This can lead to chronic issues with tight and sore muscles from the neck all the way down to the lower back.
Blood Vessel Constriction
As bad posture changes the alignment of the spine, the movement can cause problems with blood vessel constriction. The constriction of the blood vessels around the spine can cut off blood supply to the cells of the muscles, which can affect nutrient and oxygen supply. Nerve Constriction
One of the most common side effects of bad posture is nerve constriction. As the spine changes in shape, the movements or subluxations can put pressure on the surrounding spinal nerves. Because the nerves that connect to the spine come from all over the body, these pinched nerves can not only cause neck and back pain but may also cause pain in other unrelated areas of the body.
http://www.slideshare.net/iteclearners/health-amp-safety http://www.iitb.ac.in/archive/ggray/ggraypaper.pdf http://www.livestrong.com/article/31223-negative-effects-poor-posture/
Safety
Overloading electric sockets
Overloaded sockets can easily cause fires, which could be easily prevented. If too many appliances draw power from one socket it can start overheating and catch fire
It is better to use a bar adaptor on a lead, rather than a block adaptor
Don't plug adaptors into adaptors
Only use one adaptor per socket
Check the rating of an adaptor before you plug appliances in
Position of work stations
Correct work station height depends upon the user of a work station and upon the chair and other factors that interact with the user and table. The user to be able to sit at the work station with the keyboard in place and be able to easily maintain a 90-100 degree elbow angle and straight wrists while keying. The height of an adjustable keyboard support should adjust between 23" and 28" to accommodate most-but not all-users. 26" is a recommended compromise position while leg clearance must still be considered.
Leg room: Knee spaces should allow a worker to feel uncrowded and to allow some changes of position even with the keyboard support lowered to the correct level for use. The knee space should be at least 30" wide by 19"deep by 27" high. For those using a footrest, clearance must be calculated with the legs in place on the footrest. Likewise, the "clearance envelope" for both legs and toes should be evaluated while the workstation user is in a normal working position at the work station. Drawers and support legs (for furniture) should not go where human legs need to fit.
The work station top should be big enough to allow space not only for all computer-related necessary equipment, but also for paperwork, books, and other materials needed while working at the computer.
Location of extension cords
Extension cords shall be used only as temporary extensions for portable equipment. These devices may be acceptable in applications where they supply equipment not routinely used in an area where permanently wired receptacles are not available or installed. Cords shall be unplugged when not in use and never left plugged in while unattended.
Extension cords and their plugs shall be of a type suitable for the application, location and conditions under which they are to be used.
All cords and plugs should be maintained in a safe condition. Splices are prohibited. Worn out cords should be replaced. Cords should be checked for proper strain relief connections to the plug so that tension will not be transmitted to the joints or terminal screws. Plugs should be checked to insure that the covers for wire terminations are mechanically secure.
This equipment must be used in a safe manner, so as not to constitute a tripping hazard. Cords should not be draped near open flames nor used in areas where chemical or other physical damage may be a danger, nor wet locations which increase the potential shock hazard.
http://www.churchill.com/home-insurance/tips/electrical-overloading.htm http://www.ncsu.edu/ehs/www99/right/handsMan/office/ergonomic.html http://www.casemore.com/Extension_Cords.html
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