9 optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography, except for glasses and photographic apparatus; consumer coupons downloaded from a global computer network; downloadable video recordings featuring telecommunications instruction; downloadable electronic manuals for telecommunication apparatus instruction; photographic apparatus and instruments, namely, cameras and photographic lenses; data collecting apparatus for ships, namely, electronic black boxes for recording data; communications apparatus for ships, namely, antennas, marine radios; exposed slide film; electronic black boxes for recording data for cars; electric audio and visual apparatus and instruments, namely, headsets for telecommunications apparatus; electrical controlling devices; electricity measuring apparatus and instruments, namely, clamp meters; electric transformers for telecommunications apparatus; electric plugs; electronic control circuits for telecommunications apparatus; precision measuring apparatus, namely, balances; tablet computers; downloadable communications software for connecting computer network users; telecommunication cables; power amplifiers