He pushed aside the metal grate and let himself down through it.

There was a vent on the wall with a metal grate.

From a floor above, he could sit in a corridor and peer through a metal grate at his visitors.

There's a stream that comes out through a metal grate at the base of the wall.

A metal grate slid back in the ceiling above them.

So he allowed her to pull him down the alley and through an open metal grate in the ground, which she closed behind them.

There was a sharp sound, maybe a cook moving a pan on a metal grate.

It was tough to balance on the narrow metal grate as he walked.

With this new method, all the trash is spread on a metal grate and burned.

Rather, the water drains though a metal grate set into the ground underneath it.