There are two forms of implementing spacing in spaced repetition. There are several standards on pickup sizes and string spacing between the poles. FWM can be mitigated by using uneven channel spacing or fiber that increases dispersion. Thin metal plates are stacked with a small spacing between plates. The closer core spacing from the rotor improves magnetic efficiency. These phase differences also account for increases, based upon the frequency and the speaker spacing. The irregular spacing of samples makes attribute evaluation complicated. Some modes have derived submodes with larger tone spacing. Denmark uses a variation with added spacing and modified figures. Octaves switch sides and are always in a constant spacing. There are two types of encoding variability theory that address the spacing effect. These works themselves follow the current publication standard of single sentence spacing. Rather, it uses a new block with widened cylinder spacing. This is one way the spider uses its own body as a measuring/spacing device. This phase cancellation occurs at single frequencies, based upon the spacing of the speakers.