A skin disinfectant in ready-to-use concentrated liquid or dry powdered form. The plurality of ear tags may be arranged so that the panel portions of adjacent ear tags are at least partially overlapped and edges of the neck portions of adjacent ear tags are juxtaposed and attached to one another at an attachment location at the edges of the neck portions of the adjacent ear tags. The inventive concept may also be applied to assembly of other merchandise, such as toys, home improvement, home projects, clothing, costumes, party design and furnishing, and other projects. The other of the normalization count and the error count is compared to a second threshold in response to meeting the first threshold, such as bit errors per X normalizations or normalizations per Y bit errors.