In production of a mold with the reclaimed spherical molding sand having a sphericity of 0. The projection, if present on the product, blocks most of the light emitted from a light-emitting element. The front-projection projector has an optical system including an aspherical mirror at a final stage thereof. The deformation prevention member is provided to prevent deformation of a head of the second sheet caused by the feed roller and the separating pad nipping the second sheet. The compositions and methods restrict the amount of selenium intake or restrict the amount of selenium and iodine intake in the feline. The operation surface is provided on a part different from a display screen that displays content.