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A home-built chicken tractor, without wheels, built to house a small number of hens. A chicken tractor (sometimes called an ark) is a movable chicken coop lacking a floor. Chicken tractors may also house other kinds of poultry. Most chicken tractors are a lightly built A-frame which one person can drag about the yard. It may have wheels on one ...
1910 - Yakov Mamin created tractor "Dwarf", later known as the "Russian tractor". However, mass production of tractors in Russia was launched only in the Soviet Union in the 20-30s. In 1917 the whole of Russia was 165 tractors 1918 - at Petrograd factory "Bolshevik" was organized small-scale production of crawler tractors.
The benefits of free-range poultry farming for laying hens include opportunities for natural behaviours such as pecking, scratching, foraging and exercise outdoors. [18] Both intensive free-range poultry and "cage-free" farming with hens still being confined in close proximity due to high stocking densities have animal welfare concerns.
Suspension design in military vehicles is a major area of development; the very early designs were often completely unsprung. Later-developed road wheel suspension offered only a few inches of travel using springs, whereas modern hydro-pneumatic systems allow several feet of travel and include shock absorbers .
The Lanz Bulldog was a series of tractors manufactured by Heinrich Lanz AG in Mannheim, Baden-Württemberg, Germany. Production started in 1921 with the Lanz HL , and various versions of the Bulldog were produced up to 1960, one of them being the Lanz Bulldog D 9506 .
The tractor is stacked high with supplies, and a number of uniformed soldiers are walking alongside. A Holt 60-horsepower, four-cylinder valve-in-head gasoline Caterpillar (s/n 524) in 1912. The tractor was restored in the late 1960s and is the oldest surviving East Peoria-built tractor known to exist. [42]
Truck and tractor pulling, also known as power pulling, is a form of a motorsport competition in which antique or modified tractors pull a heavy drag or sled along an 11-meter-wide (35 ft), 100-meter-long (330 ft) track, with the winner being the tractor that pulls the drag the farthest.
Chicken can be prepared in a vast range of ways, including baking, grilling, barbecuing, frying, boiling, and roasting. Since the latter half of the 20th century, prepared chicken has become a staple of fast food. Chicken is sometimes cited as being more healthy than red meat, with lower concentrations of cholesterol and saturated fat. [4]