â¢ Surname is the family name or the last name of a person, whereas first name is the unique name given to a person at birth, also referred to as his Christian name. â¢ Surname is passed down generations, whereas first names are unique depending upon physical attributes or circumstances at birth of a kid.
Products List. Perforated steel pipe is the most inexpensive and popular device for automobile exhaust system, filtration elements and decorative applications. Aluminum perforated tube have excellent corrosion resistance and high strength-to-weight ratio. It is ideal for the places where have strict requirements of weight.
Both of these pipes have many differences that make both of them, exceptional and one of their own kind. PB is basically made of a plastic resin material that was used for plumbing pipes because of its features, like flexibility, cost effectiveness, freeze resistance etc. Unfortunately, people have not accepted these pipes due to its weak features that cause them loss.