The scientist carefully labeled the test tubes before starting the experiment.

After the factory fire, months of research and millions in funding went down the tubes.

We packed several inner tubes for our river trip to share with friends.

At the flea market, I found a box full of vintage toke tubes and other smoking accessories.

The old radio's output relied on several electron tubes that had to be replaced every few years.

Before starting the synthesis, we flushed the Schlenk tubes with nitrogen and dried them under vacuum.

After the trauma, the surgeons inserted two chest tubes to drain the hemothorax and re-expand the lung.

During the demonstration, the scientist arranged three Torricellian tubes on the bench to compare the mercury columns.

The fertility specialist explained how blockages in the fallopian tubes can prevent natural conception.

The mechanic inspected the down tubes for cracks after the crash.