I need to replace the inner tubes on my bike.

The down tubes of the bicycle were damaged in the accident.

I bought some photoglow tubes for the party.

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.