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71Tractor — This article is about a vehicle used in agriculture or construction. For the power unit of a semi trailer truck (articulated lorry), see tractor unit. For other uses, see Tractor (disambiguation) …
721989 Formula One season — F1 season Previous = 1988 Current = 1989 Next = 1990The 1989 Formula One season was the 40th FIA Formula One World Championship season. It commenced on March 26, 1989, and ended on November 5 after sixteen races.eason summaryThe 1989 season saw… …
73Kawasaki Z650 — The Kawasaki Z650 was a motorcycle made by Kawasaki from 1976 through 1983. It had an engine displacement of 652cc featuring a double overhead camshaft. The gear box was a five speed. The Z650 was introduced to the trade in 1976 and was very… …
74Mazda B-Series — See Ford Ranger (North America) for the North American version sold from 1994. Mazda B Series Production 1961–2006 Successor Mazda BT 50 The Mazda B Series is a …
7524 Hours Nürburgring — Detailed Nürburgring map showing the Nordschleife. The 24 Hours Nürburgring is a touring car and GT endurance racing event on the Nürburgring Nordschleife (north loop). With a lap length of over 25 km (15.5 mi), it allows the… …
76Eddie Hill — Infobox racing driver name = Eddie Hill pixels = 150px caption = Hill in 2008 nationality = United States date of birth = Birth date and age|1936|3|6 place of birth = retired = 1999 related to = last series = NHRA Top Fuel years active = 1963… …
77Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
78Field Marshall — The Field Marshalls were a range of British farm tractors manufactured by Marshall, Sons Co. of Gainsborough, Lincolnshire.Field Marshalls were in production from 1945 to 1957, however, the first single cylinder Marshall came into production in… …
79Formula One regulations — The numerous Formula One regulations, made and enforced by the FIA and later the FISA, have changed dramatically since the first Formula One World Championship in 1950. This article covers the current state of F1 technical and sporting… …
80petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
