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Wooden poles are also vulnerable to fire and much of the line's route suffers frequent bushfires. Many poles were later replaced with Oppenheimer poles for this reason. [1] The initial order for 6,000 poles [2] may have been made in Germany by Oppenheimer and Company (it is not certain) but later production took place in England under licence. [3]
Telescopic cylinders must only be used in machinery as a device for providing force and travel. Side forces and moment loads must be minimized. Telescopic cylinders should not be used to stabilize a structural component. [4] Hydraulic telescopic cylinders are often limited to a maximum hydraulic pressure of 2000-3000 psi.
A telescopic handler, also called a lull, telehandler, teleporter, reach forklift, or zoom boom, is a machine widely used in agriculture and industry. It is somewhat like a forklift but has a boom ( telescopic cylinder ), making it more a crane than a forklift, with the increased versatility of a single telescopic boom that can extend forwards ...
Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an aerial work platform) from its rest state. [1] In modern equipment this can be achieved by a hydraulics , but pulleys are generally used for simpler designs such as extendable ladders and amateur ...
Unger Bros. or Unger Brothers (1872–1910) was a jewelry company in Newark, New Jersey, best known for their sterling silver Art Nouveau designs. The company was established by five sons from a German immigrant family. The oldest founded a jewelry business between 1870-1872 and began the manufacture of sterling silver items in 1878. Other sons ...
Anna Unger (born 2 May 1944) is a former East German cross-country skier who competed in the late 1960s and early 1970s. She earned a silver medal in the 3 × 5 km relay at the 1970 FIS Nordic World Ski Championships in Vysoké Tatry .
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