Question: How can a cork spun ball be countered?
About the article "Table tennis", section "Corkspin".

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This type of spin is almost exclusively employed in service, but it is also used from time to time in the lob at the professional level.
Unlike any of the aforementioned techniques, corkspin (sometimes referred to as "drill-spin") features a unique situation in which the axis of spin is more or less parallel to the trajectory of the ball.
This means that the Magnus effect will have little to no effect on the trajectory of a cork-spun ball.
Upon bouncing, the ball will dart right or left, depending on the direction of the spin, making it very difficult to return.
Although in theory this type of spin produces the most obnoxious effects, it is not as strategically practical as sidespin or backspin in terms of the limitations that it imposes upon the opponent during their return.
Aside from the initial direction change when bouncing, provided that it does not exceed the reach of the opponent, a cork-spun ball is easily countered with topspin "or" backspin.
Similar to a backspin stroke, the corkspin stroke has a lower maximum velocity, simply due to the contact angle of the racket when producing the stroke.
To impart a spin on the ball which is parallel to its trajectory, the racket must be swung more or less perpendicular to the trajectory of the ball.
This greatly limits the amount of forward momentum that can be transferred to the ball by the racket.
Corkspin is almost always mixed with another variety of spin, as it is less effective and harder to produce on its own.
 ball.
Standard field hockey balls are hard spherical balls, made of plastic (sometimes over a cork core), and are usually white, although they can be any colour as long as they contrast with the playing surface.
The balls have a circumference of and weigh .
The ball is often covered with indentations to reduce aquaplaning that can cause an inconsistent ball speed on wet surfaces. 
A baseball is a ball used in the sport of the same name, baseball.
The ball features a rubber or cork center, wrapped in yarn and covered in leather.
It is in circumference ( in diameter).
The yarn or string used to wrap the baseball can be up to one mile (1.6 km) in length.
Some are wrapped in a plastic like covering. 
The tactical wheel is a visual representation which can help people understand how and when many tactics should be used.
It also illustrates how different fencing tactics can be countered.
It is also important to think ahead about an opponent's strategy, for expert players, even as far as four moves ahead, while minding your vulnerability to attack. 
The Museum of Cork Oak of Maureillas, unveils the rich cork oak culture of the Vallespir forest.
The tree forms a thick, rugged and corky bark.
Over time this bark can develop considerable thickness and this can be harvested every 9 to 12 years as cork.
The harvesting of cork is done entirely without machinery and does not harm the tree and a new layer of cork regrows, making it a renewable resource.
Cork Oaks live about 150 to 250 years.
Virgin cork (or 'male' cork) is the first cork cut from generally 25-year-old trees.
Another 9 to 12 years is required for the second harvest, and a tree can be harvested twelve times in its lifetime.