Here, the stone has turned to quartz, the cliffs into rectangular tubes that gently twist and undulate as they rise skyward.

A locking rail is typically a steel angle or rectangular tube to which the rope locks of a counterweight system are mounted.

Major portions of the network were enclosed in rectangular tubes to protect them from the elements, especially snow.

The technology is a variation of a method automakers have been using for a decade to shape the rectangular tubes used in vehicle frames.

However, square and rectangular tubes and pipes may also be bent to meet job specifications.

Typical closed sections include round, square, and rectangular tubes.

The body sides were built up on rectangular vertical tubes forming a set of pillars and are double-skinned for additional strength and rigidity.

It consists of three or more sets of cylindrical or rectangular tubes in series along an axis.

A rectangular tube was then connected to the matrix, creating a container in which molten type metal could be poured.

The centimeter-long flower is a sort of rectangular tube which is yellowish or off-white.