This was done using a tube driven into the ground by a hammer.
She told the story of Tina, a 12-year-old with physical problems that include having to use a tracheal tube.
A doctor views the entire colon using a flexible tube and a camera.
If a single tube could not be built with the required performance, an obvious solution is to use multiple tubes, one for each color.
Snorkeling is swimming while using a tube to breathe under water.
It'll work and it uses a tube with a different plate frequency.
Endoscopy uses a flexible tube with a light and video camera on the end.
It could show some kids using a 'tube' made from a £5 note, sniffing up programmes.
The study found that using a 12mm tube on a 10mm colloid cyst.