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.
However, there is a statewide shortage of short-term per day substitutes even though the following measures have quadrupled the number of substitute teacher days: (1) The board of examiners has increased the number of days that substitutes can teach from 90 per year to 180.