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Logging is the beginning of a supply chain that provides raw material for many products societies worldwide use for housing, construction, energy, and consumer paper products. Logging systems are also used to manage forests, reduce the risk of wildfires, and restore ecosystem functions, [2] though their efficiency for these purposes has been ...
The portable chain saw and other technological developments helped drive more efficient logging, but the proliferation of other building materials in the twentieth century saw the end of the rapidly rising demand of the previous century. In 1950, the United States produced 38 billion board feet of lumber, and that number remained fairly ...
High Lead logging in Western Oregon Cable grue Larix 3T, installed on agricultural tractor. Cable logging, also referred to as skyline logging, is a logging method primarily used on the West Coast of North America with yarder, loaders, and grapple yarders, but also in Europe (Austria, Switzerland, Czech Republic, France, Italy).
A common metal short-link chain Roller chains. A chain is a serial assembly of connected pieces, called links, typically made of metal, with an overall character similar to that of a rope in that it is flexible and curved in compression but linear, rigid, and load-bearing in tension.
Chain was a member of the Earth First! environmental advocacy group and was engaged in a campaign of tree sitting in order to stop what they considered was illegal logging, in breach of California Forest Practices Act, [2] in the Headwaters Forest, 350 miles (560 km) north of San Francisco, near Grizzly Creek Redwoods State Park.
Officers found dogs tied to trees, metal stobs in the ground and other things "using large and extremely heavy logging chains and thick collars," according to the sheriff's office.