Laboratory photochemical reactors; Laboratory centrifuges; Electrolysis apparatus for laboratory use; Fermentation apparatus for laboratory use; Electrolytic cells; Bioreactors for cell culturing for scientific research; Solid-state batteries; Hydrogen fuel cells; Electrodes; Glass stirrers for laboratory use; Graphite electrodes; Pipette racks for laboratory use; AC/DC power supplies; pH meters; Optical lenses