The fanfare trumpet has a long straight tube, which often can have a banner hanging from it.
He stood at the mouth of the new bore, a straight, round tube fifty feet across.
First the long straight tube began to hum.
See the triangular bell, the four bright stars forming the straight tube?
This process gives similar results to the floating plug process, except that it is designed for straight tubes.
A fluorescent light, on the other hand, is most often a long, straight tube that produces white light.
The gut runs as a straight tube down the middle of the body.
Up until 1375 trumpets were simply a long straight tube with a bell flare.
Just a straight tube all the way from my shoulders to the floor.