Converting copper ore to copper metal often involves many steps. First, the ore is crushed into small pieces. Then the crushed pieces are mixed with water to form a slurry, a soup-like mixture of crushed ore and water. The slurry is spun around in large vats with steel balls to crush/the ore to an even finer powder.
How many hours a week should Canadians be working? Home to Toronto â the financial capital of Canada - you might think Ontario has the longest work week in Canada. But it turns out Albertans work the hardest, racking up an average of 39 hours per week compared to the average Canadian, who works 36.6 hours per week. Quebecers have the shortest average work week with only 35.4 hours.
1 The standard work week is defined by law as a regularly recurring period of 168 hours in the form of seven consecutive 24 hour periods. 2  The Universityâs official work week is 12:01 a.m. Sunday through 12:00 midnight Saturday.  The Universityâs normal work day is 7.5 hours. Many jobs are required to work eight hours daily, totaling 40 hours weekly. Note: The standard work week and work day apply primarily to positions which are subject to overtime provisions of state law (nonexempt).