Question

why do the pins get attached to the cap of pin holder ?​

Answer 1

pin holder as magnetic substance

Answer 2

Answer:

• The holder is made of the magnet and hence the pin gets attached to this holder.
• The pin is the device basically applied for the fastening of the object or the material together.
• The pin are basically made of metals like steel, copper and brass. These metals easily attracts the magnet in the holder.
• The pin holder was first invented in USA.
• This invention made easy access to pins in the box.