The fallopian tubes are responsible for transporting eggs from the ovaries to the uterus.

The Geissler tubes in the science lab were used to demonstrate electrical phenomena.

U-tubes are commonly used in heat exchangers.

Crookes tubes are used in scientific experiments.

I need to clean the boiling tubes before conducting the experiment.

I need to buy some toilet tubes for the bathroom.

I bought some fishing tubes for our fishing trip.

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.