What is represented by a "Waterfall" effect in pyrotechnics?

The "Waterfall" effect in pyrotechnics is characterized by a vertical cascade of sparks that creates the visual impression of water flowing down. This effect is typically produced by a series of devices that are designed to launch sparks in a cascading manner, giving the illusion of a continuous flow. The arrangement and timing of these devices are crucial, as they work together to create a simultaneous and coordinated display.

This cascading effect, resembling a waterfall, is not achieved by a single device or a circular motion of sparks but rather by multiple devices that enhance the visual impact through their collective output. Each device contributes to the overall effect, making it a more dynamic and captivating display for the audience.