Still, there were rules, and one of the main ones was secrecy.

The main ones were safety, a focus on academics, and financial issues.

The main ones are at the center of the platforms.

Of course there may be more in it than that, but those seemed the main ones to me.

Two of the main ones were: Could they make their free throws?

Their cathedral was small, by the standards of the main ones.

One of the main ones being which we know now as.

The station's main ones are at the south end of the platform.

There are three main ones, to which I would add culture.

However a few of the routes are considered main ones.