F. At an early stage the mill owners specialised in particular types of yarn and cloth.

Some dealers specialize in favorite types of pieces, and some prefer to have a little of everything.

The label specializes in various types of heavy metal.

They can specialize in different types of melee styles.

Some guides specialize in certain types of waterfowl while others will be more generalists.

Some clubs may specialize in types of magic, or be primarily youth oriented.

There are various instructors in the orchestra specializing in different types of instruments.

They start as general markets, then become more specialized by trading in specific types of product.

Each specializes in different types of weapons.

Killer whales as a species have a diverse diet, although individual populations often specialize in particular types of prey.