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Health & Safety Do’s · Always switch the computer off and remove power cables before opening the case. So that you do not get an electrical shock from any part of the computer. · Use correct tools when working on the machine. To prevent any damage to the computer when working on the machine. · If available use earth protections devices. This will stop any static electricity effecting or damage any electronic components inside the machine. · Have a break from looking at a computer screen at least every 2 hours. To stop damage to your eyes and brain from excessive uses. · When working on the internals of a computer have the machine at waist height. This will prevent you from having backaches and pains. · Position yourself and your computer in a comfortable sitting position Don’ts · Don’t leave the machine switch on when working on the inside of the computer. · Don’t pull on any cables/leads plugged into the back of the machine. · When installing devices into the machine always check that they have been pushed in and secured correctly. · Don’t have food or drink near the computers at any time. · Don’t stay on a computer for ex