Final answer:
It's crucial not to stick your finger in places such as electrical sockets, beehives, fire, or sharp objects due to the high risk of injury from electrocution, stings, burns, or cuts. Water greatly increases the risk of electrical shock, which is why you shouldn't flick switches with wet hands or throw water on electric fires.
Step-by-step explanation:
Places that you should never stick your finger in include an electrical socket, a beehive, fire, and sharp objects. These scenarios present significant risks such as electrical shock, stings, burns, or cuts. Specifically, electrical sockets can cause electrocution, especially if your hands are wet since water is a good conductor of electricity, which increases the risk of electric shock.
The reason we are often advised to not flick electric switches with wet hands is that water can facilitate the flow of electricity, leading to an electric shock. Likewise, throwing water on an electric fire is dangerous because it could cause the fire to spread or even lead to an electrical explosion if the water conducts electricity to other areas.
Sharp objects, including needles and scalpels, can easily break the skin due to the concentration of force on a small area, as described in the provided figures. In medical treatments like wart removal or surgery, electricity is carefully applied through sharp instruments to utilize this principle in a controlled way. This is why personal and environmental safety around sharp objects and electrical appliances is critical.