Transportable buildings of metal; locks and keys of metal; sluice gates made of metal; pipes and tubes of metal and systems composed thereof; pipes and tubes of metal for vacuum feedthroughs

Laboratory equipment, namely, isolation glove boxes for handling air sensitive compounds and toxic substances; laboratory equipment, namely, solvent purification units; laboratory equipment, namely, gas analyzing units in the nature of sensors for analyzing oxygen and moisture levels in gas streams; laboratory equipment, namely, thermal evaporation units for coating glass and plastic substrates