The key pulled the locking bolt open against a strong spring.

There are no real waterfalls, but some very strong springs bear the name.

Each fence section is held in place by strong springs.

So pick out ones that have a good strong spring.

At the back of the first bend a strong spring held a door shut.

During building a dam a strong spring was found.

I heard the back door slam hard, as if it were pulled closed by a strong spring.

Henn is a rookie with seven games of major league experience, but he had a strong spring.

As Ned entered, the door, pulled by a strong spring, swung after him.

Paquette has had a strong spring, with 3 home runs.