Two concrete pillars stand in front of the clinic's glass doors to prevent cars from blocking the entrance.

The technique provides an increase in power, yet also prevents players from blocking as Makoto while she is using it.

He may even be able to pick off enough Republicans to prevent Congress from blocking some of his diplomatic initiatives.

This was done to prevent a device from blocking adjacent ports due to its size.

It is characterized by shooting the ball with an extremely high arc in order to prevent taller defenders from blocking the shot.

This prevents the planning authority from blocking a permission by merely failing to negotiate.

The trees are carefully trimmed to provide attractive scenes, and to prevent them from blocking other views of the garden.

It also prevents such trains from blocking the main line or a platform at Newbury.

This prevented the marble from blocking the neck as the drink was poured.

On the 51st attempt, the offensive line fails to prevent a defender from breaking through and blocking the kick.