The bedstead includes bustle pipes, upright pipes, floor pipes and bed legs.

Tubes (16) for water are arranged at least within one of the tubes (15), said tubes for water being provided with nozzles extending out of the tubes (15).

The infrared tubes comprise infrared emitting tubes and infrared receiving tubes.

As the tubes are angled, water that collects on the tubes is directed away from the tubes.

The intense initial growth of the tubes is compensated by the inherent contraction of the tubes.

The disclosure relates to medical tubes and methods of manufacturing medical tubes.

The disclosure relates to medical tubes and methods of manufacturing medical tubes.

A tube heat exchanger comprises tubes (38) or bundles of relatively narrow long tubes (38) surrounded by jacket tubes (1-4; 41).

Each of the second tubes is connected to one of the first tubes such that when not inflated, each of the second tubes is flattened within the one of the first tubes.

The array of combustion tubes is individually controlled.

Each of the fins has apertures for the tubes, the apertures engaging the tubes.

Connecting the drums are generally L-shaped riser and downcomer tubes including convection tubes (28) and radiant tubes (24) extending in vertical and horizontal runs along the sides, top and bottom of the combustion chamber.

The electrode tubes include inner tubes and weld grooves (13).

Special-shaped tubes include rectangular tubes, diamond tubes, elliptical tubes, hexagonal tubes, octane tubes, and various cross-section asymmetric tubes.

A twin tube shock absorber has an outer tube (17) and an inner tube (16) with an annular reservoir between the tubes.