They have gratings that are made of metal or plastic.

Only a trail of blue sticky stuff all on the gratings.

During the day, natural light spills down through sidewalk gratings.

The water might flow out through gratings, which I would be unable to remove.

Gratings are also used extensively in research into visual perception.

I had to lift up a lot of drain gratings to find all the pages,' she said.

The window gratings on ground level and the small windows above still reminds of its former function.

The cells did not respond if one of the gratings moved in the preferred direction.

Light seeped into the duct from various gratings ahead of them.

"What I'm looking at is one of the robot's identification gratings.

The windows facing out were narrow and covered with iron gratings.

In the configuration shown above, the light hits each of the two gratings twice.

There are other suppliers of similar optical gratings that you can find on the Internet.

His flashlight showed two gratings, one for each house.

He used a bucket over each, letting it squeeze in among the gratings.

Thick bars and gratings protected its windows, even up to the third floor.

The first of the heavy gratings had clashed downward into place.

But he had been called off that task because, in this weather, the gratings freeze and break easily.

It was darker than before, with no side gratings to indicate separate rooms.

However, nowadays, for health reasons, the use of coconut gratings is kept to a minimum.

We thought of the jacks pit, but the gratings are still locked in.

His gratings were used in the first analysis of far-ultraviolet rays from the sun.

What they could make out of the walls showed them smooth, unbroken by more than gratings.

The chosen men grinned and sat gratefully on the shot gratings.

They were first demonstrated with population gratings on atoms.

A grating sound came from the other side of the door.

After he had left I went and looked down through the grating, into the hold.

As the agents started their move, they heard a grating sound.

There was a double grating door at the end, beyond his feet.

It was a grating, but one giving on the open, even though they must be many levels into the earth.

There was a metallic grating sound, and nothing else happened.

That thought made her head buzz in a grating way.

To be sure, all that attention in the swing states can become grating.

"That's the only thing we need to know," he went on in a grating voice.

There came a grating sound that might have been a laugh.

Beyond this grating, at the distance of about four or five feet, was another exactly like it.

Worse yet, some of the dialogue is more grating than ever before.

There was a short pause then the grating voice continued.

I could hear a strange grating sound as Karl came up.

Father Michael waved them all to a stop at the grating, listening.

With a shock he realized that the last grating gave him a new view.

She heard a slight grating sound and realized someone was looking at them.

He reached the grating, poked his head up through it, and looked around.

It uttered the grating sound again and its hands opened.

His grating voice alone was enough to give Jack insomnia.

A moment later, they heard the grating sound of a bolt being lifted.

From the grating, a pair of intensely blue eyes looked back at him.

She took a single step forward and the noise became a terrible, grating sound.

"Better goose it," the one on the inside said in a grating voice.

The new guard stood like a statue before the grating, his back turned to R-1.

The voice was strong and clear, if it grated a little.

In this case, she could not do either and it grated against her.

For some reason, her voice seemed to grate on me.

The door slowly grated open just enough to get by.

Ed and I grated on each other for a while.

I gave the car extra energy as we grated by.

She had to play by this culture's rules no matter how much they grated on her.

Something specific grated at the man; she could see it in his eyes.

Words seemed to grate against each other in his mouth.

And this was, these two developments grated up against each other.

The car jerked to a stop and the door grated open.

"That was the main reason I had to come here," the old man grated.

If anything, he just grated on his nerves more each day.

The incident had happened many years before, but still it grated.

Her bench grated a little on the floor as she stood.

God, but it grated at her to have to admit that.

"I finally told him to stay the hell away from her," he grated.

Even that much of an apology grated on him, but he needed her.

Though it grated on every fiber of my being, this had to work.

Then even friends could grate each upon the other's nerves.

He blinked at that word, as though it grated a lot.

It grated upon him to see the feeling his daughter displayed.

Suddenly a chair grated on the floor, and Ed turned.

A key grated in the lock, turning from the other side.

The man forgot that he had grated it earlier in the day.

He put the grate back on and went to the door at the south.

It would be different, of course, if the fire were made too large for the grate.

He turned back to the grate and raised his hand again.

The fire in the grate was warm on his back.

No one knew much about what lay beyond the grate.

I put my nose to the grate and looked inside.

Then he looked back toward the stairs and the grate above.

They just stared up at the grate in the high wall.

The voice in the grate had not once mentioned her husband.

Chapter 3 I looked through a grate at the very end.

He had a bed, a chair, and a fire in the grate behind him.

Looks like an old computer cabinet grate on the top.

Its head came to the level of the barred grate.

He caught himself on the broken grate with his one hand.

They had taken grate care in putting on there make up, it was done well.

His blue face was leaning right out of the grate to see the door.

Small steps lead up to each so that someone could stand on the top step and look out through the grate.

I'd no idea how I was going to deal with this until my eyes settled on the grate.

He waited another half minute, then looked at the grate again.

I heard some of it, through the grates in the streets.

I knelt down by the grate and began to take it off.

That grate could be lowered in a moment, he knew.

On the way home, she had me stand over a subway grate.

But the man came back later, removed the grate and gave it another shot.

I close the door gently and pull the grate across.