The concept of prevention is based on four pillars.

Universities are based on three basic pillars: teaching, scientific research, and community service.

It is based on three pillars: reason, religion and loving-kindness.

It is based on four pillars and has three apses at the eastern side.

He said his approach was based on three basic pillars.

Quite a simple and large church, it is based on twelve strong pillars for three naves.

The proposal is based on two pillars: one relating to content and the other to procedures.

We are basing our strategy on four pillars of reconstruction and development.

We have a European employment programme which is based on four pillars.

The whole structure is based on 56 pillars of white stone.