What is perforation?
Q: What is perforation?
A: Perforation refers to lines of punching holes made in any material.
Q: Where is perforation commonly used?
A: Perforation is commonly used in making paper objects like stamps or tickets, and along the edges of movies.
Q: What are the three types of cutting of postage stamps for stamp separation?
A: The three types of cutting of postage stamps for stamp separation are not specified in the given text.
Q: What is the purpose of perforation in philately?
A: The purpose of perforation in philately is to separate postage stamps.
Q: Is perforation only used in philately?
A: No, perforation is not only used in philately.
Q: What other materials besides paper can be perforated?
A: Any material can be perforated depending on the object that needs to be created.
Q: How is the perforation created?
A: The perforation is created by lines of punching holes in the materials being used.