A White Sport Coat was created in 1957.
the purpose of the coat of arms on a knight were so he could be identified on the battlefield.
Difference between a suit coat and a sports coat is that a suit coat is part of a suit and a sport coat is sold separately and is worn with a variety of bottoms. The suit coat is usually worn with the trousers that match it, as a suit.
The purpose of the coat of arms was to identify a noble person or family and distinguish them from other nobles in places like battles.
The purpose of the Australian Coat of Arms is to function as a graphical symbol of the nation and government of Australia on formal documents and in formal gatherings.
Take it to your local dry cleaners. This coat cannot be machine washed.
The purpose of having roof vents are the following; preserving the life of the roof, reducing the moisture inside the roof, maintaining the right ventilation inside the roof to avoid molds and moisture and for aesthetic and style purposes as well.
The purpose of Ceiling Vents is to provide Ventilation in a room where it may be necessary, such as a Science Lab. Because gases generally rise (as they are hotter than the air and so less dense), they can escape out of the ceiling vents without causing any harm to people inside the science lab. They can also be used to help deal with a fire.