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.
Combining work week and weekend, faculty subjects spent about 40 percent of their time on teaching-related tasks, or about 24.5 hours. Ziker points out that 24.5 hours is almost exactly 60 percent of a 40-hour work week.n average, faculty participants reported working 61 hours per week â more than 50 percent over the traditional 40-hour work week. They worked 10 hours per day Monday to Friday and about that much on Saturday and Sunday combined.