The submarine's torpedo tubes were loaded and ready before dawn.

During the dissection, the researcher carefully isolated Miescher's tubes to examine their structure under the microscope.

The maintenance crew inspected the relief tubes to ensure they would vent excess pressure during the factory startup.

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

He built a clock using salvaged Nixie tubes that glow with a warm, orange light.

We packed several inner tubes for our river trip to share with friends.

At the flea market, I found a box full of vintage toke tubes and other smoking accessories.

The fertility specialist explained how blockages in the fallopian tubes can prevent natural conception.

The thrift store had a shelf full of vintage boob tubes waiting to be restored.

The technician inspected the venturi tubes before the engine test to ensure accurate airflow measurements.