Hittorf tubes are used in scientific experiments.

The laboratory is equipped with several Plücker tubes for conducting experiments.

The Coolidge tubes are used in X-ray machines.

I need to label the Eppendorf tubes before placing them in the centrifuge.

The Galloway tubes were used in the construction of the boiler.

The field tubes were carefully inspected before installation.

The divers found several drowned tubes at the bottom of the ocean.

The construction workers used muck tubes to transport the soil from the excavation site.

The banded tubes were carefully packaged and shipped to the laboratory.

Photomultiplier tubes are used in various scientific and industrial applications.