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 Short working week by collective or individual agreement: 2  Employees can work up to 12 hours of normal time on any day without receiving overtime pay. 3  The employees may still not work more than 45 normal hours per week and not more than 5 days in a week.ormal hours as follows: 1  9 hours for a 5-day week. 2  8 hours a day for a 6-day week. 3  On a shorter working week. 4  The hours may be increased with employees consent. 5  For example, an employee can agree to work shifts of 12 hours over 4 working days. 6  The maximum hours are 45 hours per week for ordinary pay.