The heart of his operation is 22 circular tanks, each 26 feet in diameter.

In a true kreisel, a circular tank has a circular, submerged lid.

Cylinders of glass 40 feet (12 m) high are drawn vertically from a circular tank.

The most important is the circular tank at the entrance of the room, dedicated to the presentation of a particular animal.

The entrance main plaza had an impressive three-story circular tank.

Rotating arms slowly spray the sewage over a shallow circular tank containing a layer of gravel or crushed rock.

Crowded up against the heavy clear plastic of his circular tank, clearly aware of her scrutiny, her enemy stared back.

Using this principle in its simplest form are rectangular and circular tanks, comparatively shallow in depth.

Grimes had kept goldfish in a circular tank constructed especially for weightless conditions.

Nine squat circular tanks hold 800,000 liters of water, which is chlorinated before being sent into the camp through blue plastic pipes.