Interchangeable parts were identical and could be exchanged for one another in manufacturing of goods
With over two million lakes and rivers and 20 per cent of the world’s freshwater, Canada has an incredible abundance of aquatic natural resources. Canadians share a deep historical connection to freshwater; we rely on it for transportation, for resources, for employment, for food and for recreation — swimming, boating, fishing or simply admiring the scenery of a natural lake or wild river.
Unfortunately, many of Canada’s freshwaters are no longer the pristine ecosystems they once were. At CWF, we are working to encourage a better balance between the needs of our society and of the ecosystems that sustain us.
Positive reinforcement. Because he leaves before everyone else
