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A bollard is a sturdy, short, vertical post. The term originally referred to a post on a ship or quay used principally for mooring boats. In modern usage, it also refers to posts installed to control road traffic and posts designed to prevent automotive vehicles from colliding with pedestrians and structures.
The 12-lane New Jersey Turnpike in the U.S. is the most heavily traveled toll road in the world, carrying hundreds of thousands of automobiles daily.. A toll road, also known as a turnpike or tollway, is a public or private road for which a fee (or toll) is assessed for passage.
A difference engine is an automatic mechanical calculator designed to tabulate polynomial functions. It was designed in the 1820s, and was first created by Charles Babbage . The name difference engine is derived from the method of finite differences , a way to interpolate or tabulate functions by using a small set of polynomial co-efficients.
The cost of the hydraulic systems however meant that other companies started producing more affordable electromechanical alternatives. Hydraulic motors are the preferred choice on large and heavy gates as they can generate high levels of torque, electromechanical systems designed for lower usage domestic installations because they can be ...
Cable barriers provide a cost-effective solution to the shielding issue. The system is more forgiving than traditional concrete (Jersey) barriers or steel barriers used today and remains effective when installed on sloping terrain.
The first one was an automatic mechanical calculator, his difference engine, which could automatically compute and print mathematical tables. In 1855, Georg Scheutz became the first of a handful of designers to succeed at building a smaller and simpler model of his difference engine. [ 11 ]
An AVM is a residential valuation report that can be obtained in a matter of milliseconds. It is a technology-driven report. The product of an automated valuation technology comes from the analysis of public record data and computer decision logic combined to provide a calculated estimate of a probable value of a residential property.
In 2009 in St. Joseph County, Michigan (US), after a lobbying campaign by the local Amish community, a new $20,000 rumble strip installation was removed at a cost of $275,000 to the taxpayers. M-DOT says they are not removing the strips just to appease the Amish.
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