It has mantle folds that completely surround its small valves.
Latiolais hands him a large-bore needle with a small valve on the end.
The head had smaller valves set at a steeper angle.
"When you push the bellows down, the air is expelled through the small valve into the atmosphere," he continued.
A petcock is a small valve used to control the flow of liquid or gas.
There was a small valve in the tube and a magnet on the side of the container.
Each had a small valve, now sealed off.
A small valve at the back of the shoe lets the air out.
This causes a very small valve to open.
What they would think when they found the small valve open but no prisoner on hand could only be guessed.