Some things you don’t know about Rugby.

Some things you don't know about Rugby.

American football is a popular team sport in the United States. American football is closely related to Canadian football but has some differences in the rules of the game and many other characteristics. 

In the United States, some of the main types of football are high school football, college football and professional football, which are essentially the same but differ in some points in the rules of the game.  

Playground 

Playground divided into 20 sections of 5 yards, is marked by 19 long white lines across the field. Between the long lines are four rows of short lines, each row of 4 bars separated by 1 yard. 

The last section at each end of the court is called the end-zone, 10 yards long, usually diagonal red stripes and separated by a long white line called the goal line. . The end-zone is the end line, followed by the goal posts. The golf pole is planted in the center of the course, 10 feet high, on the north side a 18 foot and 6 inch long crossbar with two vertical bars 30 feet high. 

In total, the entire football field is 120 yards (360 feet) long and 53 1/3 yards (160 feet) across. From the goal line, every 10 yards, the court will be marked with the numbers 10, 20, 30, 40 until the center of the field is 50. After this level, the court is marked back 40, 30, 20 and 10 to the restricted area of the other party.

 Grass used for rugby football field. 

Artificial turf made the first considerable attention in the 1960s, when it was used in the construction of Astrodome. Artificial turf products were then developed by Monsanto Company and called AstroTurf; since then has become a common term for all artificial grasses in the late 20th century. 

Some things you don't know about Rugby.

AstroTurf remains a registered trademark, but no longer owned by the Monsanto company. The first generation artificial turf systems of the 1960s (short fibers containing no substance) were largely replaced by the second and third generation of artificial turf. The second generation artificial turf system uses longer fibers and contains sand inside. The third generation artificial turf systems, most widely used today, use a mixture of sand and recycled rubber particles.

In 2002, the CenturyLink ‘Field, originally planned to be a natural turf, was then replaced by FieldTurf because of the positive response from the Seattle Seahawks when they played on the temporary Husky Stadium during the 2000-2001 season. This is probably the beginning of a trend that spans the whole federation: not only will teams that already use artificial turf shift to new FieldTurf or similar fields, but also make more teams play on natural turf. new artificial yard reception.

 For example, after three years of natural turf experience, Giants Stadium switched to a new FieldTurf in 2003, the same year M&T Bank also added artificial grass (previously natural grass, which was later removed and replaced with artificial grass). 

A few more examples are the Paul Brown pitch that moved from natural to artificial turf in 2004, Gillette Stadium changed in 2006, and NRG Stadium moving in 2015. Today, 13 out of 31 NFL courts (rugby league all countries) use artificial grass.

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