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.
Free market is the main characteristics of the economic system of Australia. The growth of the economy of Australia is phenomenal and this country is among the first five developed countries of the world. The four main components of the Australian economic system are trade, manufacturing, services and finance.