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Pollarding is also used in urban forestry in certain areas for reasons such as tree size management, safety, and health concerns. It removes rotting or diseased branches to support the overall health of the tree and removes living and dead branches that could harm property and people, as well as increasing the amount of foliage in spring for ...
Modern cutting and scraping tools can also be coated with titanium nitride to improve wear characteristics. Woodturning tools must be sharpened more frequently than other edged woodworking tools to maintain a clean cut because the wood passes at great speed. Sharpening is usually accomplished with the aid of mechanical devices such as powered ...
Wood cut in this way is prized for certain applications, but it will tend to be more expensive as well. In cutting a log, quarter sawn boards can be produced in several ways, but if a log is cut for maximum yield it will produce only a few quarter sawn boards among the total; if a log is cut to produce only quarter sawn boards there will be ...
A circular saw is a tool for cutting many materials such as wood, masonry, plastic, or metal and may be hand-held or mounted to a machine. In woodworking the term "circular saw" refers specifically to the hand-held type and the table saw and chop saw are other common forms of circular saws.
It is commonly used for ripping wood (cutting it to width), crosscutting (cutting it to length), kerfing (making small cuts to bend the wood), and cutting rabbets and grooves for joints. It can also make angled bevel cuts and other wood joints. This makes the table saw a versatile and essential tool in any woodworker's workshop. [13]
Wood cut from Victorian Eucalyptus regnans The harbor of Bellingham, Washington, filled with logs, 1972. Lumber is wood that has been processed into uniform and useful sizes (dimensional lumber), including beams and planks or boards. Lumber is mainly used for construction framing, as well as finishing (floors, wall panels, window frames ...
Rip cuts are commonly made with a table saw, but other types of power saws can also be used, including a radial arm saw, band saw, and hand held circular saw.In sawmills the head saw is the first rip-saw a log goes through, which is sometimes a gang-saw, and then the cants may be resawn using other saws and then edged in an edger and sometimes cut to length by a crosscut saw.
GCSE Bitesize was launched in January 1998, covering seven subjects. For each subject, a one- or two-hour long TV programme would be broadcast overnight in the BBC Learning Zone block, and supporting material was available in books and on the BBC website. At the time, only around 9% of UK households had access to the internet at home.