Glassware for laboratory use (specifically adapted); Surveying apparatus and instruments; Flowmeters; Material testing instruments and machines; Gas testing instruments; Pressure measuring apparatus; Temperature indicators; Crucibles (laboratory); Laboratory pipettes; Stills for laboratory experiments; Chemistry apparatus and instruments; Ovens for laboratory use; Laboratory centrifuges; Aerometers; Vacuum gauges; Pressure gauges; Nanoparticle size analysers; Calorimeters; Pyrometers; Densimeters