1) Using and sitting at a computer
The dangers of using a computer, are that looking at the screen can cause repetitive strain injury and could make you short-sighted. Too prevent this, do not put your head too close to the screen and have a break from the computer every 30 minutes. Also setting at the computer can also cause problems like back pains, to prevent this from happening, sit straight on the chair, if the screen is too low down for you too see, then move the screen up or lower your chair.
2) Painting with bleach
The problem with painting with bleach is that if it gets on your skin, it will burn and could even cause blisters and if it gets on your clothes it will change the colour to white. to stop this from happening, wear gloves, to stop it from getting on your hands and an apron to stop it from getting on your clothes. if you do get bleach on you then you should wash your hands quickly.
3) Using a rotatrim to cut paper
The dangers of using a rotatrim is that u can cut your handhand or other parts of your body. To prevent this, you should use it carefully.