The next major advance came in 1982, when Sims put metal edges on his snowboard so it could be used in a wider variety of snow conditions. He went on to improve and expand the sport over the years, introducing new snowboarding styles, bindings and designs.
Commodity money is a form of money with an intrinsic value. Some of the best examples of commodity money are silver and gold coins. Currency(cash) or banknotes do not have intrinsic value and are virtually worthless in itself. It only has value because society views it as a unit of exchange. This type of currency is called fiat money.
Staple goods. The meat products do not have to be fresh - they can be canned or processed meat products. Similarly, under the vegetables/fruits category, the items need not be fresh - they can be canned as well. Examples for the bread/cereal staple food category include bread, cereals, pasta, grains, rice, and flour. Impulse goods: : merchandise (as inexpensive or luxury items) likely to be bought on impulse or without significant forethought as opposed to staple or essential goods. To access the complete Unabridged Dictionary, with an additional300,000 words that aren't in our free dictionary, start a free trial.