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When free hydroxyl groups are transformed to acetoxy groups, the ability of the wood to absorb water is greatly reduced, rendering the wood more dimensionally stable and, because it is no longer digestible, extremely durable. In general, softwoods naturally have an acetyl content from 0.5 to 1.5% and more durable hardwoods from 2 to 4.5%.
A lounge chair using reclaimed wood. Reclaimed lumber is processed wood retrieved from its original application for purposes of subsequent use. Most reclaimed lumber comes from timbers and decking rescued from old barns, factories and warehouses, although some companies use wood from less traditional structures such as boxcars, coal mines and wine barrels.
Extant examples in the nominated group include the Baker octagon barn near Richfield Springs (1882), the Lunn-Musser octagon barn in New Lisbon (1885), and the Lattin-Crandall octagon barn in Catharine (1893)." [52] McArthur-Martin barn in Kortright (1883) 16-sided [52] Parker 13-sided barn (1896) about 15 miles north of Kortright in Jefterson [52]
This barn has the oldest known barn timbers in its core dated to 1726 but the roof structure, side aisles and exterior are not original. [1] Dutch barn is the name given to markedly different types of barns in the United States and Canada, and in the United Kingdom. In the United States, Dutch barns (a. k. a.
The reclaimer structure can be of a number of types, including portal and bridge. Reclaimers are named based on their type, for example, "Bridge reclaimer." Portal and bridge reclaimers can both use either bucket wheels or scrapers to reclaim the product. Bridge type reclaimers blend the stacked product as it is reclaimed.
Rehabilitation of waterlogged and saline soils - free downloads of software and articles on land drainage. Bio Recycle; Sydney Water BioSolids; EEMP - a non-profit 501(c)(3) organization dedicated to communicate the lessons of rehabilitation and restoration through media around the world. Federal Environmental Laws that Govern U.S. Mining
A barn is an agricultural building usually on farms and used for various purposes. In North America, a barn refers to structures that house livestock, including cattle and horses, as well as equipment and fodder, and often grain. [2] As a result, the term barn is often qualified e.g. tobacco barn, dairy barn, cow house, sheep barn, potato barn.
In Ancient Egypt, the rulers of the Twelfth Dynasty (c. 2000–1800 BC) undertook a far-sighted land reclamation scheme to increase agricultural output. They constructed levees and canals to connect the Faiyum with the Bahr Yussef waterway, diverting water that would have flowed into Lake Moeris and causing gradual evaporation around the lake's edges, creating new farmland from the reclaimed land.