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In automotive design, an RR, or rear-engine, rear-wheel-drive layout places both the engine and drive wheels at the rear of the vehicle. In contrast to the RMR layout, the center of mass of the engine is between the rear axle and the rear bumper.
The Ballbarrow was a variation of the wheelbarrow design, [1] by James Dyson released in 1974 in the UK. [2] It featured a moulded plastic hopper on a steel frame and a spherical plastic wheel, allowing increased manoeuvrability. Dyson said that the surface area of the ball, larger than that of a conventional design, made the ballbarrow easier ...
Hornby Track-Master is a birds eye 2D Planning tool, distinct from Hornby Virtual Railway (HVR). HVR [ note 1 ] uses a 3D Planning Environment in which one can plan, build and test a layout. However, being released many years ago, it has fairly low quality graphics.
A hand truck. A hand truck, also known as a hand trolley, dolly, stack truck, trundler, box cart, sack barrow, cart, sack truck, two wheeler, or bag barrow, is an L-shaped box-moving handcart with handles at one end, wheels at the base, with a small ledge to set objects on, flat against the floor when the hand truck is upright. [1]
A common wheelbarrow. A wheelbarrow is a small hand-propelled load-bearing vehicle, usually with just one wheel, designed to be pushed and guided by a single person using two handles at the rear. The term "wheelbarrow" is made of two words: "wheel" and "barrow."
Schematic plans and sections of various types of round barrow. A round barrow is a type of tumulus and is one of the most common types of archaeological monuments. Although concentrated in Europe, they are found in many parts of the world, probably because of their simple construction and universal purpose.
John David Barrow FRS [2] (29 November 1952 – 26 September 2020) was an English cosmologist, theoretical physicist, and mathematician. He served as Gresham Professor of Geometry at Gresham College from 2008 to 2011. [ 3 ]
Ascertaining at what date a long barrow was constructed is difficult for archaeologists as a result of the various modifications that were made to the monument during the Early Neolithic. [17] Similarly, both modifications and later damage can make it difficult to determine the nature of the original long barrow design. [18]