The copper is a good conductor of electricity. While the insulating plastic covering of the wire prevents bare wires touching and creating a short, or shocking (electrocuting) a person should the bare wire be touched with bare hands.
locomotion
Yes, a comb is considered a solid structure. It is typically made from materials like plastic or metal, which maintain a fixed shape and volume. The solid structure provides stability and durability, allowing the comb to effectively serve its purpose in grooming hair.
They create new landforms and mabye some useful minerals.
The philtrum allows for facial expression and for humans to speak clearly.
A spoon and a penny do not have the same shape - a spoon is typically elongated with a concave bowl shape, while a penny is circular and flat. Additionally, they do not have the same composition - a spoon is usually made of metal, plastic, or wood, while a penny is made of copper and other metals. Lastly, they do not serve the same purpose - a spoon is used for eating or serving food, while a penny is used as currency.
aglets - the plastic things on the end of shoelaces
What purpose does silicone serve in conditioners
Metals for the wires, sillicon and phosphorus for the semi-conductors in the transistors that are in the chips, and plastic for the casing. -DJ Craig
Plastic coverslips are just that. Very thin plastic strips used to coverslip cells normally used for microscopy, microcompression, and counting of aerobic microorganisms. They are not really ideal for everyday coverslipping, because it can be harder to see through than the thin glass coverslips most people are used to.
They serve the same purpose as T.V or movies. They are a form of entertainment.
Serve as preservatives.
The purpose is the toilet.
Designed to keep in your wallet. For instance, you lock your keys in your car and your wallet is in your pocket you can still unlock your door YES A PLASTIC KEY WILL UNLOCK YOUR DOOR
the purpose is to show our freedom
The purpose of the military is to serve and protect our country. They also serve so you or your family members don't get drafted!
Magazines serve a purpose to inform and entertain. They are also a place where businesses can advertise and gain customers.
It deosnt, as such, serve a purpose, it is there to stop it being stolen by Voldemort basically :)