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Stand-off brackets: Dictated by OSHA Standard 1910.27(c)(4) stand-off brackets must be at least 7" (180 mm) longer than the farthest obstruction for clearance on the back side of ladder. This means that if there is a 4" (100 mm) gutter projecting from the side of a building, a fixed ladder would have to have standoff brackets that were at least ...
A ladder standoff, or stay, is a device fitted to the top of a ladder to hold it away from the wall. This enables the ladder to clear overhanging obstacles, such as the eaves of a roof , and increases the safe working height for a given length of ladder because of the increased separation distance of the two contact points at the top of the ladder.
Two sizes of metal standoffs and one plastic standoff. The background depicts a standoff in use, holding a circuit board above a metal case. A standoff is a threaded separator of defined length used to raise one part in an assembly above another. They are usually round or hex (for wrench tightening), often made of stainless steel, aluminum ...
Galvanized mild steel cable ladder with corrosion around stainless steel bolts. All metals can be classified into a galvanic series representing the electrical potential they develop in a given electrolyte against a standard reference electrode. The relative position of two metals on such a series gives a good indication of which metal is more ...
It also covered the dangerous Cascade Rapids, provided fish ladders to protect the region's fish, and generated electricity for local homes and industry. World War II gave Portland District a share of the military construction program—building training camps, air bases and defense installations in the Northwest. Barges hauling war supplies ...
Escalade: the act of scaling defensive walls or ramparts with the aid of ladders, a prominent feature of siege warfare in medieval times. Chevaux de frise: sword blades chained together to incapacitate people trying to charge into a breach in the walls. Investment: surrounding an enemy fort (or town) with armed forces to prevent entry or escape.
Both sets of contenders crossed the pit in a different manner. The men used the hand bike, while the women used a monkey bar-style apparatus called a hand ladder. Once across the pit the next three obstacles were the same as the American series: a run across the spinning cylinders, a climb up the cargo net, and a zipline ride to the floor.
To replace the ALCM, the USAF planned to award a contract for the development of the new Long-Range Stand-Off weapon in 2015. [6] Unlike the AGM-86, the LRSO will be carried on multiple aircraft. The LRSO program is to develop a weapon that can penetrate and survive integrated air defense systems and prosecute strategic targets.
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