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.
10 Important characteristics of Capitalism. The following are the important characteristics of capitalism. 1. Free Enterprise Economy: Capitalism is also called as free enterprise economy. This is because under capitalist system, individuals and private firms have the right to own and use property. They have the right to earn, save and spend incomes also.