Dosimeters; Air purifying respirator masks to prevent injury due to dust inhalation; Batteries, electric; Bio-chips for research or scientific purposes; Chromatography apparatus for laboratory use; Filters for blood and blood components for laboratory use; Filters for use in laboratory equipment in the biopharmaceutical industry; Gasometers; Radiation gauges used for measuring the physical properties of materials; Respirators for the prevention of accident or injury