The submarine is equipped with multiple torpedo tubes.

The laboratory has several Ewald tubes for crystallography experiments.

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

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.