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Agricultural Bearings And Other Farm Tools

By: John Denvert

A bearing is an ingenious device that makes it possible to control the direction in which the various moving parts of a piece of machinery, such as a vehicle. It is like being able to select the size of molecule in type of oil that you use. Agricultural bearings perform this function in farm machinery and vehicles like combine harvesters, plows and tractors.

The years between 1760 and 1840 are often described as the Industrial Revolution. This period was responsible for a spurt of evolution in agriculture, as well. The productivity of a farm was immensely improved by the many new machines that evolved from it. Monster harvesting machines took over the grain harvest from a team of individuals with sharp scythes. Separating seed from talks and heads of grass was made easier by the development of threshing machines.

Tractors are designed with high torque, or traction, at low speeds for the purpose of pulling machinery for use on a farm or in construction. These vehicles are used for tilling the land and a variety of other agricultural tasks. The first gasoline-powered tractor was built in Iowa in 1892. Prior to the development of the tractor, dual traction engines were employed on either side of a parcel of land, pulling a plow between them using a system of cables. This system of tilling land evolved from the earliest traction engines around 1850. At the beginning of the 19th century, steam engines mounted on wheels were used to drive machinery via a belt.

Once the soil has been cultivated, other farm machinery is used for planting, fertilizing, irrigation, pest control, harvesting and sorting produce, loading and making hay. Not all agricultural machinery is plant-oriented. Dairy farming has also been industrialized.

Farming machines have become more specialized and intricate than they were in the day of steam engines. There is equipment that can pick cotton and assemble it into huge bales. Hay balers role hay into cylindrical bales. Coffee harvesters are completely different from tomato harvesters.

While the Industrial Revolution may have made life easier and more lucrative for the farmer, some of its output may have contributed to a decline in human health. In paleolithic, or stone age times, humans survived by hunting and gathering. Their diet consisted mainly of grass-fed, pasture-raised meats, fish, eggs, roots, nuts, vegetables, fruit and mushrooms. When man turned to farming, he introduced dairy products, cereals, potatoes, and refined sugar, salt and processed oils.

Man was not born with the right enzymes to digest foods like dairy, cereals and heavily processed oils, sugars and salts. The Stone Age ended 10,000 years ago, but evolution moves a lot more slowly than that. Consequently, we have huge populations of people who cannot consume dairy products or food that contains gluten.

While it is true that we have agricultural bearings and other machine parts to thank for enabling mass production of food, there is a trade-off for some people in terms of digestive health. The evolution of the human diet since the Stone Age has evolved a lot faster than the physiological mechanisms required to process it healthily.

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