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Three-wheel walkers: This type of walker will have three wheels with two in the back and one upfront. They can be lighter and easy to use inside houses and handy in tight spaces.
Traditionally, a walker is picked up and placed a short distance ahead of the user. The user then walks to it and repeats the process. With the use of wheels and glides, the user may push the walker ahead as opposed to picking it up. This makes for easier use of the walker, as it does not require the user to use their arms to lift the walker.
The technology is simple, typically using a parallel-bar double-cam lift driven from a low-power electric motor, although the number of pumpjacks with stroke lengths 54 inches (1.4 m) and longer being used as water pumps is increasing. A short video recording of such a pump in action can be viewed on YouTube. [6]
Examples are flowers and animals. The tall person type has also expanded to include a wide variety of themes. Examples include sportsmen, historical acts and acts based on literary or film characters. One of the most recent varieties of stilt walking acts is a stilt walker riding a "stilt bicycle" with an extended seat post and handlebar stem.
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The Hippo water roller, or Hippo roller, is a device used to carry drinking water more easily and efficiently than traditional methods, particularly in the developing world and rural areas. It consists of a barrel-shaped container that holds the water and can roll along the ground, and a handle attached to the axis of the barrel.