daisy wheel
Daisy Wheel
That is called a platen knob. It is used to manually move the platen, which is the rubber roller that holds the paper in place as you type on it. By turning the platen knob, you can feed the paper through the typewriter.
radial
The body form characterized by spokes of wheels is an example of radial symmetry, where body parts are arranged around a central point, like the spokes of a wheel. Organisms with radial symmetry include jellyfish and sea anemones.
Radial symmetry is a type of symmetry where body parts are arranged around a central point, like the spokes of a wheel. Organisms with radial symmetry, such as starfish and jellyfish, can be divided into equal halves in multiple planes passing through the central axis.
like spokes on a wheel
radial
Jellyfish are ocean animals with radial symmetry.
Spokes that are contained within the wheel's circumference, being fixed in a semi-permanent manner to allow the circular movement of the said wheel.
The phylum Echinodermata has radial symmetry as adults. These organisms include sea stars, sea urchins, and sand dollars, among others. Radial symmetry means that body parts are arranged around a central axis, like the spokes of a wheel.
There are some radial muscles that exist in the eye. Radial muscles have a similar structure to that of spokes on a bike, radiating outward from their source. The extraocular muscles of the eyes connect to the eye in several different locations around it to allow movement in different directions according to which extraocular muscle contracts.
Radial symmetry is like spokes on a wheel. Bilateral symmetry is like a human body, cut in half (2).