To date, several types of such self-locking devices have evolved.

A more suitable type of rock garden has been evolving over the years here.

In the 21st century, this type of industry has drastically evolved.

Over time, a formal type evolved, predominating until the late 18th century.

As a result, several general types of college of higher education evolved.

The type would evolve in the 16th and 17th, only finally disappearing in the early 19th century.

In the United States the type evolved from the 2-6-0 configuration.

From this generalized type evolved more than 20,000 species, able to live in virtually every kind of aquatic environment.

Since the original pizza, several other types of pizzas have evolved.

Many different types of audit have evolved to meet industry's varying needs.