1. A computer screen may injure your eyes if you sit too close to a computer screen.
2. When you use a computer, the window should be on your left.
3. Your eyes and your hands will be safe if you often take rest from working.
4. The top part of the screen should be in front of your eyes.
2. When you use a computer, the window should be on your left.
3. Your eyes and your hands will be safe if you often take rest from working.
4. The top part of the screen should be in front of your eyes.
It is safe to use a computer if you follow the rules. You shouldn’t sit too close to the screen. You should rest your hands on something, keep your elbows at the same height as the keyboard and stop often to rest. You should sit with your back straight. You should exercise your arms, legs and neck.
1. safely
2. computer
3. injuries
4. screen
5. height
6. impossible
7. exercise
8. elbows
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2. computer
3. injuries
4. screen
5. height
6. impossible
7. exercise
8. elbows