All forms of Baguazhang utilize circle walking prevalently as an integral part of training.

In line with the highly symbolic nature of Beijing opera, the form utilizes very few props.

Several forms of transport utilize human power.

Some forms may utilize more than one person.

A form of aircraft utilizing movable wings, much like an insect, M. Aenea.

This form utilizes kunai and shuriken, and is given a wider field of vision in dark rooms than other forms.

Another possible allusion comes in the form of a sonar-ping sound effect utilized throughout the series.

You can sculpt with plaster, and other forms of art may utilize it.

Whatever mysterious forms of energy the alien had utilized to influence Earth's weather patterns had clearly been reversed.

One form of Apache line competition utilized rotation positioning.