communications computers; computer components; computer apparatus; computer communication apparatus; downloadable computer software programs; recorded and downloadable computer programs; downloadable computer programs and recorded software distributed online; downloadable computer application software for smartphones; downloadable computer application software for cellular telephones; downloadable computer application software for laptop computers; downloadable computer application software for portable media players; physical and chemical laboratory apparatus and instruments; furnaces for laboratory experiments; ovens for laboratory experiments; stills for laboratory experiments; laboratory chemical reactors; chemical vapor deposition apparatus for use in research; laboratory photochemical reactors; audiovisual teaching apparatus; audiovisual teaching apparatus with artificial intelligence; measuring devices; electrical measuring devices; speed measuring devices; energy measuring devices; luminescence measuring devices; wire diameter measuring devices; measuring instruments; electrical measuring instruments; measuring instruments for monitoring gas or liquid flows; measuring jugs; measuring pipettes of glass for laboratory use; measuring rods; measuring rulers; measuring scoops; measuring sensors; measuring spoons; measuring transducers; measuring wheels; teaching apparatus; educational apparatus and instruments; teaching apparatus and simulators; teaching apparatus with artificial intelligence; teaching robots; teaching and instructional apparatus; sensors; electric or electronic sensor; digital sensors; sensors and detectors; sensors, detectors and monitoring instruments; sensors for determining acceleration; sensors for determining position; sensors for determining temperature; sensors for determining velocity; sensors for measuring instruments; sensors for meteorology; recorded and downloadable computer software; recorded software and downloadable computer programs distributed online.