Other standards detail the property and testing. requirements for gray and white iron castings, cast. iron pipe and fittings, and ductile iron castings. This volume also includes standards on. radiographic examination of castings to be used. with ASTMâs standard reference radiographs.
The free enterprise system in the United States developed soon  after the country gained its independence. This is a system that  allows people or entities to establish theiâ¦r own company, taking a  competitive stance with other businesses, and operate it for their  own profit.
The free-enterprise system determines what is produced, how much is produced, and for whom the product is produced. The Industrial Revolution changed how goods were made in the United States and affected how people lived and worked.Previously, people made a living by supplying their own needs. With the new inventions, especially steam-power, the factory system (assembly line) began.he free-enterprise system determines what is produced, how much is produced, and for whom the product is produced. The Industrial Revolution changed how goods were made in the United States and affected how people lived and worked.