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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 ...
Brattberg Multi-Cable Transit is a firestop system invented by John A. Birmingham and Rogers A. Moore, [4] the patent expired in 2011. It is used onboard of large steal vessels ( Offshore Platforms , ships ) when penetration bulkheads , high rise buildings , laboratories , explosions areas and EMI risk .
Screwfix Direct Limited, trading as Screwfix, is a retailer of trade tools, accessories and hardware products based in the United Kingdom. [6] Founded in 1979 as the Woodscrew Supply Company, the company was acquired in July 1999 by Kingfisher plc , which also owns B&Q , and is listed on the London Stock Exchange .
Crude versions of conically tapered ground glass joints have been made for quite a while, [1] particularly for stoppers for glass bottles and retorts. [2] Crude glass joints could still be made to seal well by grinding the two parts of a joint against each other using an abrasive grit, but this led to variations between joints and they would not seal well if mated to a different joint.
New York City Fire Department Ladder Company 3, also known as Ladder 3, is a fire company and one of two ladder companies in the New York City Fire Department's (FDNY) 6th Battalion, 1st Division. It is housed at 108 E. 13th St., along with Battalion Chief 6, and has firefighting stewardship over a several square block area of Manhattan ’s ...
An extension ladder. A ladder is a vertical or inclined set of rungs or steps commonly used for climbing or descending. There are two types: rigid ladders that are self-supporting or that may be leaned against a vertical surface such as a wall, and rollable ladders, such as those made of rope or aluminium, that may be hung from the top.