16 Thermochromic inks; photochromic inks; barochromic inks; hydrochromic inks; Glow in the Dark inks; product seals, strips, stickers, cards, and packaging to which thermochromic, photochromic, barochromic, hydrochromic, or Glow in the Dark ink has been incorporated or applied; promoting the manufacture and distribution of safe and effective products by others through the use of product quality indicators; consulting services in the field of product and process quality assurance