A rock usually contains two or more types of minerals.

But many cold medications contain just a few types of drugs.

That the universe contains no more than three fundamental types of matter.

In some areas, the mine water can contain various types of heavy metals.

But his universe contained only two types of good: human and angel.

Our content database contains several different types of 'reference' data.

But it must contain many different races and types of intelligent beings.

It contains 81 types of stone from 16 countries.

It contained three types of fruit, one of which he had not seen before.

However, this is not as effective if an artifact contains multiple types of metals.