The term "polychord" describes chords that can be constructed by superimposing multiple familiar tonal sonorities. This consists of superimposing a precise very low frequency tone on the audio signal. Traditionally, this process has been done by tracing and superimposing on cranial landmarks. However, three constructive steps are involved in superimposing coordinates on a problem application. One of the most common used methods of superimposing is called the Structural Method. Many different human individual and social situations can be created by superimposing simple reinforcement schedules. The film was produced by filming actual seagulls, then superimposing human dialogue over it. Most CD releases use conventional packaging, superimposing the circular artwork on a square booklet. Shamans, fighting and supernatural means are all mechanisms of superimposing rules within other societies. Tsuburaya hid this error by superimposing trees on the exposed area. Now I'm just superimposing my own TV viewing habits onto "30 Rock". Several fold generations developed, sometimes superimposing each other.