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The Royal Commission on Patents, Copyright and Industrial Designs sat between 1954 and 1960.

The petrochemical industry, which produces chemicals using OIL AND NATURAL GAS as major raw materials, occupies an important position in Canada's MANUFACTURING and consuming sectors. Oil and natural gas are composed primarily of hydrocarbons. Most petrochemicals contain hydrogen or carbon or both.

Media literacy refers to the ability to interpret and understand how various forms of media operate, and the impact those media can have on one’s perspective on people, events or issues. To be media literate is to understand that media are constructions, that audiences negotiate meaning, that all media have commercial, social and political implications, and that the content of media depends in part on the nature of the medium. Media literacy involves thinking critically and actively deconstructing the media one consumes. It also involves understanding one’s role as a consumer and creator of media and understanding the ways in which governments regulate media.

Canada’s deadliest road accident to date was a single-vehicle bus crash near Saint-Joseph-de-la-Rive, in the Quebec municipality of Les Éboulements, on Thanksgiving Day, 13 October 1997.

The alarmingly increasing frequency of allergies, affecting over 20% of the population in developed countries, has led to the establishment of a new branch of medicine, that of allergology, which is conceptually closely related to immunology.

Albion Mines Railway, Pictou County, NS, was the second steam railway in Canada and the first to use a standard gauge and split-switch movable rail.

Applied anthropologists use their knowledge of peoples and cultures for practical purposes. They do this framed by anthropological concepts and a methodology - ethnographic fieldwork - that portrays people in their actual circumstances.

The Freshwater Institute, located on the University of Manitoba campus in Winnipeg, Man, is one of the world's leading research centres for freshwater and Arctic fisheries research.

Viscosity is the ability of a flowing liquid or gas to develop internal shear stresses that resist flow. In air, viscous forces are generally small in comparison with inertia forces, a condition which leads to flow instability and turbulence.

In 1997 there were 247 manufacturers of agricultural implements in Canada, employing 11 101 workers. Only 2 establishments employed more than 1000 workers; 90% of establishments employed fewer than 100 workers.

The Canadian agri-food industry has become an effective producer and processor of food and feed as the result of the work of innovative, hard-working farmers, good management of land resources, and the application of the technology derived from agricultural research.

Harvesting of marketable timber, if present, constitutes the first stage and may involve individual trees or a stand. Logs may be cut, stripped and piled with tree harvesters; trees may be knocked down, lifted and moved with tree-dozers.

Canadian agriculture has experienced a markedly distinct evolution in each region of the country. A varied climate and geography have been largely responsible, but, in addition, each region was settled at a different period in Canada's economic and political development.

By the mid-1950s de Havilland realized the need for a larger, more powerful version of the DHC-3.

A one-man submersible capable of working 4-6 hours under water to a depth of 914 m at speeds up to 1.5 knots, Deep Rover was designed by Graham Hawkes at San Leandro, Calif, and built by Can-Dive Services Ltd of Vancouver and in Dartmouth, NS, in 1984 to work in the offshore oil industry.