Sagot :
Answer:
Compressed air is used as a breathing gas by underwater divers. It may be carried by the diver in a high pressure diving cylinder, or supplied from the surface at lower pressure through an air line or diver's umbilical.
Explanation:
Compressed air is a combination of under pressure gases that are squeezed into a can. With computers and electronics, compressed air is the preferred method for removing dust and dirt from sensitive electronics. The picture shows an example of a typical compressed air can that is used to clean computer components.