It had done its job well, keeping his head out of the water, though not by much.

But you can't keep them out of the water.

The solution, he said, is for the city to keep the bacteria out of the water in the first place.

"It'll keep you farther out of the water a little longer."

It was clinging to the bars to keep out of the water.

It also keeps their head out of the water so that they can breathe.

At least, he tried to keep his head out of the water; it was not easy.

At least he could keep his head out of the water without exerting himself.

Sick children, such as those who have diarrhea, should be kept out of the water.

He had to raise himself slightly to keep his face out of the rising water.