Wtb Chevy pickup NexTech Classifieds
16 Inch Alcoa Dually Wheels - One of the wheels can be a circular ingredient that is intended to rotate on an axle bearing. The wheel is several different parts of the wheel and axle which is about the six simple machines. Wheels, together with axles, allow heavy objects that should be moved easily facilitating movement or transportation while supporting a load, or performing labor in machines. Wheels may be intended for other purposes, including a ship's wheel, steering wheel, potter's wheel and flywheel.Common examples are merely in transport applications. One of the wheels greatly reduces friction by facilitating motion by rolling together with the aid of axles. In order that wheels to rotate, an instant has got to be relevant to the wheel about its axis, either by gravity or by the use of another external force or torque.The English word wheel originates from the Old English word hweol, hweogol, from Proto-Germanic *hwehwlan, *hwegwlan, from Proto-Indo-European *kwekwlo-, a long way of the generator *kwel- "to revolve, move ".Cognates within Indo-European include Icelandic hjól "wheel, tyre", Greek κύκλος kúklos, and Sanskrit chakra, ppos both meaning "circle" or "wheel ".Precursors of wheels, often known as "tournettes" or "slow wheels", were known during the Middle East from the 5th millennium BCE (one of the first examples was discovered at Tepe Pardis, Iran, and dated to 5200–4700 BCE). These people were manufactured from stone or clay and secured to the ground by using a peg in the center, but required effort to turn. True (freely-spinning) potter's wheels were apparently in use in Mesopotamia by 3500 BCE and maybe as early as 4000 BCE, and also oldest surviving example, that was within Ur (modern day Iraq), dates to approximately 3100 BCE.The best proof wheeled vehicles appears within the second half belonging to the 4th millennium BCE, near-simultaneously in Mesopotamia (Sumerian civilization), the Northern Caucasus (Maykop culture) and Central Europe (Cucuteni-Trypillian culture), so the question of which culture originally invented the wheeled vehicle continues unsolved.The earliest well-dated depiction from a wheeled vehicle (here a wagon — four wheels, two axles) is relating to the Bronocice pot, a c. 3500 – 3350 BCE clay pot excavated in a Funnelbeaker culture settlement in southern Poland.The oldest securely dated real wheel-axle combination, that from Stare Gmajne near Ljubljana in Slovenia (Ljubljana Marshes Wooden Wheel) currently is dated in 2σ-limits to 3340–3030 BCE, the axle to 3360–3045 BCE.Two types of early Neolithic European wheel and axle are known; a circumalpine model of wagon construction (the wheel and axle rotate together, as with Ljubljana Marshes Wheel), and that of one's Baden culture in Hungary (axle doesn't rotate). They are both dated to c. 3200–3000 BCE.In China, the wheel was certainly present aided by the adoption in the chariot in c. 1200 BCE,although Barbieri-Low[9] argues for earlier Chinese wheeled vehicles, c. 2000 BC.
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| TITLE: | Wtb Chevy pickup NexTech Classifieds |
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| THUMBNAIL: | https://tse4.mm.bing.net/th?id=OIP.k7RhA62qp6udnKkZcCEV2QEsDh&pid=Api&w=240&h=181 |
| IMAGE SIZE: | 239861 B Bs |
| IMAGE WIDTH: | 640 |
| IMAGE HEIGHT: | 480 |
| DOCUMENT ID: | OIP.k7RhA62qp6udnKkZcCEV2QEsDh |
| MEDIA ID: | 4BCEC03DFA27B39C7B140AD2DA399CD4D774C682 |
| SOURCE DOMAIN: | nextechclassifieds.com |
| SOURCE URL: | http://www.nextechclassifieds.com/listings/1106030/ |
| THUMBNAIL WIDTH: | 240 |
| THUMBNAIL HEIGHT: | 181 |
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