Brass is a buttery yellow alloy of zinc and copper which has been manufactured for thousands of years in many parts of the world.
A teacher is usually issued a contract stating that they work 180 days a year, 7 hours a day (including a 30 minute lunch and 30 minute break) BUT almost any good teacher puts â¦ in an additional 2-4 hours daily plus several hours at home for FREE just striving for students success.
There are 168 hours each week. There is an average of 36-40 hours worked in the year. At 40 hours a week, there are 2080 hours of work time during this year. Year: 2018 â There are 52 weeks in 2018. There are 365 days in 2018. There are 8760 hours in the year.