The lab ordered new photoglow tubes to improve the microscope's low-light imaging.

The antique shop displayed several Geissler tubes that glowed faintly when a current passed through them.

The child's Eustachean tubes were inflamed after the cold.

The neonatal intensive care unit staff carefully monitored the Replogle tubes to prevent mucosal injury.

During the descent, many passengers felt discomfort in their auditory tubes as the cabin pressure changed.

During the examination, the doctor explained how blockages in the pharyngotympanic tubes can cause ear pain and hearing problems.

The lab technician carefully filled the U-tubes with different colored solutions to demonstrate siphoning.

The technician inspected the boiler tubes for signs of corrosion before the plant's annual shutdown.

The team inspected the Edlich tubes before starting the experiment.

At the science fair, the children laughed as the whirly tubes created eerie music when spun.