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 advantage of a free enterprise economy is that it maximizes profits. The disadvantage of a free enterprise economy is that - well - it maximizes profits above everything else! For example, Free Enterprise created AT&T in the U.S. Once it built all the network infrastructures, everybody wanted to be on AT&T.