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.
But his universe contained only two types of good: human and angel.
In some areas, the mine water can contain various types of heavy metals.
Our content database contains several different types of 'reference' data.
It contains 81 types of stone from 16 countries.
But it must contain many different races and types of intelligent beings.
It contained three types of fruit, one of which he had not seen before.
It is evident from this discussion that a map contains two distinct types of information.
