The CPI takes a constant basket of goods and sees how the price changes from year to year. If the price of the basket of goods increases, then there is price inflation. If the price of the basket of goods decreases, then there is deflation.
Copper and tin mainly make up bronze but other elements include phosphorus, manganese, silicon and aluminium.
Top 10 unbelievable historical concurrencies. Bronze is a metal alloy produced by blending copper and tin in various amounts, depending on the application. Additional elements, such as manganese, lead, and phosphorous, are added to create alloys with specific properties.