A Treasury Bill (known as T-Bill) is an instrument of money market, used to finance short term requirements of Government of a country. A T-Bill is issued at a rate lower than the Face value, and redeemed at Face value on maturity, this difference is the rate of interest on T-Bill. This rate of interest is called Risk free Rate of the country.
This region is thus called because of its rich coal field and the iron and steel plants that have come up around them. Rhur valley is a major Industrial hub of West Germany.
The International Waste Picker's Day is observed on 1st March in memory of the massacre in Colombia in which 11 workers were brutally killed University of Barranquilla.