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.
Limit teaching to four hours a day, says union. NUT wants teachers' classroom hours capped at 20 a week amid claims many hardly see their own children and work late. Published: 2 Apr 2013. Limit teaching to four hours a day, says union.