The businesses distribute copper tubing and plumbing parts.

The exhaled gas was cooled by sea water after passing through copper tubing.

Rigid sections of liquid line are usually made using copper tubing, although in some applications, steel pipes are used instead.

Ignition and other controls operated though flexible cables encased in copper tubing, which followed contemporary aircraft industry practice.

In the early 20th century, cartridges made from glass and thin copper tubing were made.