The techniques themselves may cause significant foreseen or unforeseen harm.

However, the open technique caused greater scar tenderness during the first three months after surgery, and a longer time before the patients could return to work.

This technique can cause severe slowing of the heart rate.

That tripping technique can cause a player to fall backward on the ice.

Their technique caused grease that prevented them from seeing anything but simple lines in the background.

This technique is commonly used and does not cause damage to the hair unless taken out without proper directions from a professional.

Though it revolutionized gold mining, the technique also caused severe environmental damage.

The techniques can cause physical problems and strain the body's organs, health officials said.

This technique can cause unconsciousness and even death, if done correctly.

As a result, this technique caused significant memory fragmentation issues.