Because - the purpose of a heatsink - is to expel heat from the computer... plastic is an insulator - not a conductor !
It is easily shaped, handles the heat generated by the computer and is fairly inexpensive. Some of them are now made with plastic.
Cookers are made of metal because it withstands heat a lot better and does not melt like plastic would.
Utensils are made of metal for durability and heat resistance. Handles are made of plastic or wood to insulate heat and provide a comfortable grip. Wood handles are also less conductive of heat compared to metal.
because it is not made of plastic or metal.
Metals are good conductors of heat, so the heat from the stove is easily transferred to the food in the pot. Handles are made of plastic because plastic is a poor conductor of heat, so that the heat from the stove is not transferred to your hand when you grab the handle.
Most shopping carts are made of a combination of metal and plastic. In general, the metal is a combination of galvanized steel or aluminum.
they are made out of metal because they consume the heat put out by the heat source and make the water in it boil plastic would melt stone would crack
If you are referring to the structure type of tower, they were/are often made of stone. If you are referring to the computer tower, they are either made of a metal such as aluminium or plastic.
Metal pots are typically used for cooking because they are durable and can withstand high heat. Plastic handles are used to prevent heat from transferring from the metal pot to the handle, reducing the risk of burns when handling the pot. Additionally, plastic handles provide a comfortable grip and stay cool to the touch during cooking.
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They where made out of Metal and plastic the Plastic is called zlonite.
the frame of a computer is made of different types of materials. It is made out of plastic and metal. It is made out of basic things we used in ordinary life except some things have been liquified inside it.