At a certain point the air pressure will be strong enough to push the rubber stopper out.

To flush, they had to pull the rubber stopper by hand.

Flexible rubber stoppers at each end hold the legs in place.

Everything depends on getting a good seal with the rubber stopper.

Do not store the bottle with a needle in the rubber stopper.

There weren't even needle marks on the top of the rubber stoppers.

Push the rubber stopper into the mouth of the bottle firmly.

"There was absolutely no way to hook it up," she said, "so instead we're just using a little rubber stopper like they all did then."

The door was propped open by a rubber stopper.

If the rubber stopper doesn't fit tight enough, water will leak out when you pump.

Push the needle through the center of the rubber stopper on the vial.

Cut a second piece of glass tubing about 10cm in length and insert into rubber stopper.

The item being donated was a 12.5cm glass vial with a green rubber stopper.

Most in-line skates have a rubber stopper on the heel.

With the other hand, push the needle straight through the center of the rubber stopper and deep into the vial.

He cut a small slit in the rubber stopper of a water can and lowered it into the sea on a long fishing line.

A dark, dark liquid in a clear vial with a rubber stopper.

The rubber stopper was still in the drain.

He liked to drill a hole in the rubber stopper and run a chain up through the plug.

Insert the 1-hole rubber stopper assembly and place the glass tube into the cylinder.

Everything remains airtight, thanks to the rubber stoppers, removing the need for purified air.

Pike pulled the rubber stopper out of the lavatory basin; the water ran down the drain.

She took from her pocket a rubber stopper pierced with a curved glass drinking straw.

His kit is made up of two 7p tubes with rubber stoppers that are connected by tubing.

A basketball pump needle pushed through a rubber stopper.