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Canadair CL-215, unique amphibious aircraft designed to fight forest fires with water bombing and chemical fire retardants. It can scoop up a load of over 5000 litres of water in 10 seconds while skimming over a body of water, and jettison it over a fire in less than 1 second.

All these workers practised a technology that came from the great French craft tradition; their highly skilled art derived from trade guild knowledge, instruction and scientific treatises.

For example, in British Columbia, the Coastal Western Hemlock Zone is one of 14 biogeoclimatic zones. It occupies high precipitation areas up to 1000 m elevation west of the coastal mountains from the Washington to Alaska borders and beyond.

Biochemistry, encompasses the study of the chemical nature of living material and of the chemical transformations that occur within it.

Biological studies of individuals and groups of organisms can occur at various levels (eg, molecular, cellular, anatomical, functional, behavioural, ecological and evolutionary).

One of the easiest ways to understand bitumen is to compare it to its cousin, conventional crude oil. Whereas conventional crude oil flows freely, bitumen does not. At room temperature it looks like cold molasses, and must be either heated or diluted before it flows.

Under Canadian law the regulation of buildings is a provincial responsibility and is carried out through various laws, Acts, codes and regulations, often administered at the municipal level.

Technology, along with labour, capital, resources and management, is one of the essential components of industrial production. Most classes of industry require some technological input, but the amount varies widely among industrial sectors.

The study of plant life is organized in 3 ways, which are also applicable to zoological material.

Buoy, floating object, usually anchored but occasionally allowed to float freely or to be dragged by sea anchor. Buoys are widely used as navigation markers to indicate channels, the presence of shoals, etc.

Burgess Shale is an area of layered rock featuring fossils from the middle of the Cambrian period (505–510 million years ago). In Canada, sites featuring Burgess Shale fossils are found in Yoho and Kootenay national parks. The name “Burgess” comes from Mount Burgess, a peak in Yoho National Park near where the original Burgess Shale site was discovered (the mountain is in turn named for Alexander Burgess, an early deputy minister of the Department of the Interior). Burgess Shale sites are the clearest record of Cambrian marine life because they contain rare fossils of soft-bodied organisms. The original Burgess Shale site is one of the reasons seven parks in the area were designated the Canadian Rocky Mountains UNESCO World Heritage site (the parks are Yoho, Jasper, Banff and Kootenay national parks, and Mount Robson, Mount Assiniboine and Hamber provincial parks).

Canadair Ltd, aerospace manufacturers. The company had its origins in the aircraft division of Canadian Vickers Ltd, formed in 1923. It was purchased by Canadians in 1927 and during WWII produced the Canso, a long-range flying boat used for maritime patrol.

Coal gasification is a process by which coal is converted into a fuel gas rich in hydrogen and carbon monoxide.

Cobalt (Co) is a brittle, hard, greyish-white magnetic metal that melts at 1495°C and that closely resembles iron and nickel. It is not found as a native element.

The word bioethics is formed from the Greek word for life (bios) and the traditional word for the systematic study of right conduct (ethics).

From 1862 to 1874 the HBC trader became Her Majesty's Hired Survey Ship Beaver. After the HBC sold the ship in 1874, it was used as a workhorse and tow until 1888, when it was wrecked in the First Narrows in Vancouver harbour. Only a few relics remain.

Uranium oxide was first identified in 1789 by M.H. Klaproth in the MINERAL pitchblende, but its distinctive property of radioactivity was discovered much later (1896) by Henri Becquerel.

Astrophysicists use many branches of physics: nuclear physics to study power-generation in stars; atomic physics to understand the spectra of stars and gaseous nebulae; and gas laws and magnetic theory to probe starspots and flares on star surfaces.

The Arthritis Society is the only registered nonprofit agency in Canada devoted solely to funding and promoting arthritis research, patient care and public education. The Canadian Arthritis and Rheumatism Society, as the society was called until 1977, was founded on 14 October 1947.

Brachiopoda, phylum of bivalved marine invertebrates, sometimes called lamp shells.