Lack of oxygen in confined spaces. Lack of breathable air in confined spaces is one of the commonest reasons for accidents where there are multiple deaths among welders and other maintenance workers. HSE investigations usually show that one person collapses, their workmates attempt a rescue and then they collapse too.
Money is what people use to buy things and services. Money is what many people take for selling their own things or services. There are many kinds of money in the world. Most countries have their own kind of money, such as the United States dollar or the British pound. Money is also called many other names, like currency or cash. Most of the time a state or a government prints paper money and makes coins at a mint.
Currency In Circulation. What is 'Currency In Circulation'. Currency in circulation is currency that is physically used to conduct transactions between consumers and businesses rather than stored in a bank, financial institution or central bank.