If you think that tennis balls are just yellow fluffy balls, as well as any other, you are definitely wrong. Tennis balls are much more than that. Here are some details of tennis balls, which you may not know:
There are 2 main types of tennis balls: pressurized and pressure-less. Pressure Variations carved core filled with air. Several tennis ball companies use nitrogen in the environment simply because this gas can be more – under the pressure of the balls losing pressure in about a month after the opening of the box under pressure they come, as they lose pressure, they come.
Without the pressure of the balls have a solid core. These types of balls are fantastic for those who do not play tennis very often and/or for use as training balls. These types of balls do not want to lose its elasticity. However, the tables will gradually wear off, and so they eventually find a substitute.
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