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Hot sticks are made in different lengths, from simple 3-foot (1 m) sticks to 30-foot (9 m) telescoping models. Because the fiberglass provides electrical insulation, the hot stick allows utility workers to perform operations on power lines safely without de-energizing them or while the state of the power line is not yet known. This is essential ...
Telescopic fishing rods are designed to collapse down to a short length and open to a long rod. 20-or-30-foot (6 or 9 m) rods can close to as little as one and a half feet (45 cm). This makes the rods very easy to transport to remote areas or travel on buses, compact cars, or public buses and subways.
The head of a pike pole with various implements for pulling items The head of a short firefighter's pike pole. A pike pole is a long metal-topped wooden, aluminium or fiberglass pole used for reaching, hooking and/or pulling on another object. They are variously used in boating, construction, logging, rescue and recovery, power line maintenance ...
The introduction in the early 1950s of flexible vaulting poles made from composites such as fiberglass or carbon fiber allowed vaulters to achieve greater height. [ 1 ] [ 2 ] [ 3 ] The present record of 6.26 m ( 20 ft 6 + 1 ⁄ 4 in) was set by Armand Duplantis , competing for Sweden at the Silesia Diamond League .
E-glass does not actually melt, but softens instead, the softening point being "the temperature at which a 0.55–0.77 mm diameter fiber 235 mm long, elongates under its own weight at 1 mm/min when suspended vertically and heated at the rate of 5 °C per minute". [11] The strain point is reached when the glass has a viscosity of 10 14.5 poise.
Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass cloth .