an object like a nail strating with scr
A screw is a fastener that is similar to a nail, but it has threads.
An iron nail can replace a short length of wire in a circuit if the points of contact of the nail to the rest of the circuit have no rust or corrosion and good connection can be made. Using solder to join the nail to the circuit can help make a good connection. However, if this is for a scientifically controlled experiment fine as long as its very low voltage. If you are considering high voltage . DO NOT ATTEMPT IT. Its extremely dangerous
You could try using nail polish remover, and if it doesn't work try a damp cloth not to damp and rub it gently on the area.
An electromagnet.
An electromagnet is a device that produces a magnetic field with the use of DC electricity. A simple electromagnet has a coil of wire wrapped around an iron core. A simple experiment would be to wrap a copper wire around an iron nail then connect both ends of the wire to a small battery. You will notice the nail is magnetized as long as the battery is connected.
Ethanol or nail polish remover.
A puncture is a hole which has been made in something with a sharp object like a nail or an awl.
A nail
nail
Unless you see the object that caused the injury, a person would not know if it was a nail, rusty nail, or some other object. That is why tetanus shots are given.
a 5mm nail
the head ofa nail is called "dead end"
Nail Clippers
nail polish
nail polish
It's called that because it can clips nails. That's why it's called the nail clipper.
iron nail