The key physical hazard of making a sandwich might be to have an accident with a knife when cutting the meat or sandwich. If you mean health-related hazard, it would be perhaps making the sandwich with unclean hands and transferring germs or bacteria onto the food.
Types of harmful traditional incision and the causes. and also the effect?
lack of oxygen would be a harmful effect.
How can you help minimize the harmful effect of a typhoon
How can you help minimize the harmful effect of a typhoon
harmful effect of crackers on enviornment
Some mutations can be deadly, harmful, or have no effect. Correct, not all mutations are harmful. Some mutations could even have a positive effect and help the creature adapt.
helpful
There isn't one...
happy
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Destroys wood
The effect is pollution that is harmful to the environment and animal life.