The big problem is to reduce friction so that you get complete freedom of movement.

Bearings are used to help reduce friction at the interface.

This reduces friction that can be caused by various sexual activities.

This helps to reduce friction between the bones and allows free movement.

They are used to reduce friction of a rotating surface.

These reduce friction between mechanical parts which would otherwise move more slowly and wear out quickly.

There's a huge opening just waiting for a fluid strategy to reduce friction.

There are a number of different components used to reduce wet friction.

The move is usually performed with a glove to reduce friction.

Team players who get along with the band and other managers to reduce friction on the road.