Dynamometers; tool measuring instruments; azimuth instruments; pressure gauges; calipers for measuring trees; micrometers; microscopes; shoes for protection against accidents, irradiation and fire; asbestos clothing for protection against fire; gloves for protection against accidents; gloves for protection against X-rays for industrial purposes; asbestos gloves for protection against accidents; optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for...