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Tires
A tire (American English) or tyre (British English)[1] is a ring-shaped vehicle component that covers the wheel’s rim to protect it and enable better vehicle performance. Most tires, such as those for automobiles and bicycles, providetraction between the vehicle and the road while providing a flexible cushion that absorbs shock.
The materials of modern pneumatic tires are synthetic rubber, natural rubber, fabric and wire, along with carbon blackand other chemical compounds. They consist of a tread and a body. The tread provides traction while the body provides containment for a quantity of compressed air. Before rubber was developed, the first versions of tires were simply bands of metal that fitted around wooden wheels to prevent wear and tear. Early rubber tires were solid (not pneumatic). Today, the majority of tires are pneumatic inflatable structures, comprising a doughnut-shaped body of cords and wires encased in rubber and generally filled with compressed air to form an inflatable cushion. Pneumatic tires are used on many types of vehicles, including cars, bicycles, motorcycles, buses, trucks, heavy equipment, and aircraft. Metal tires are still used on locomotives and railcars, and solid rubber (or other polymer) tires are still used in various non-automotive applications, such as some casters, carts, lawnmowers, and wheelbarrows.
Homeacre-Lyndora
Homeacre-Lyndora is a census-designated place (CDP) in Butler County, Pennsylvania, United States. The population was 6,906 at the 2010 census.[1]
Lyndora was linked to Butler, Evans City and Pittsburgh in 1908 by the Pittsburgh, Harmony, Butler and New Castle Railway, an interurban trolley line. The line closed on 15 June 1931, and the trolleys were replaced by buses.
Homeacre-Lyndora occupies a broad portion of central and northern Butler Township, north and west of the city of Butler. The U.S. Census Bureau locates the CDP at 40°52′10″N 79°55′14″W (40.869461, -79.920460),[2] but it consists of several developed areas separated by forested valleys. The Homeacre portion of the CDP is located on high ground west of Butler, while Lyndora is directly adjacent to Butler in the southeast corner of the CDP, in the valley of Connoquenessing Creek. The CDP is bordered by Meridian on the west and by Shanor-Northview in Center Township on the north.
U.S. Route 422, the Benjamin Franklin Highway, passes through the CDP, leading east 22 miles (35 km) to Kittanning and west 25 miles (40 km) to New Castle. Pennsylvania Route 356, New Castle Road, follows the old routing of US-422, leading east into downtown Butler, and joining 422 in the northwest corner of the CDP. Pennsylvania Route 68 joins PA 356 in the Homeacre part of the CDP, leading east into Butler but traveling west to Connoquenessing, Evans City, and Zelienople. Pennsylvania Route 8 passes through the eastern part of the CDP, interchanging with US 422 and leading south into downtown Butler and north to Harrisville and Franklin.
According to the United States Census Bureau, the CDP has a total area of 6.6 square miles (17.2 km2), all of it land.[1]