The disclosure relates to a method of generating a diverse set of variants to screen improved and novel properties within the variant population, a system for creating the diverse set of variants, and the variant peptides. Solid Billet or Extruded materials in various Designs: Steel or Aluminum, many plastics. The vane includes a flap portion positionable in a fluid stream for controlling a flow of fluid. The plurality of spherical layers has a concentric arrangement inside the outer spherical structure. Only one of the muting option explanations is displayed at a time, responsive to the user selection of one of the muting options.