secondary axis of symmetry

anticounter audio-frequency peak limiter BCDR centriosphere diffraction grating transducer fissocantharis taipeiana fluorescence coating Fothergil's neuralgia incendium iron-filing mortar Kyancutta open ended spanner propellant fouling rimless sintering pot tall yellow-eyes tinker's damn/dam toe itch Vaccinium bracteatum Thunb. xuxas