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Diamonds, industrial
Bort
Diamonds for hardness testing machines
Diamonds for surface roughness probes
Diamonds, scratch test
Diamonds, engraving
Diamonds, metal surface smoothing
Diamonds, synthetic
Powder, synthetic diamond
Reclamation of industrial diamonds
Vacuum tubes, glass
Tubes, glass, high pressure
Tubing, glass, redrawn
Tubing, glass, fine bore, capillary
Tubes, glass, for hypodermic syringes
Tubes, glass, spirit level
Tubes, glass, for electric lighting
Tubes, glass, for distillation plant and equipment
Tubing, glass, precision
Tubing, glass, for gauges
Tubes, silica, for optical fibre manufacture
Tubes, glass, for water meters
Tubes, glass, for medicines
Tubes and rods, glass, for bead production
Beads, glass, for industrial and laboratory use
Marbles, glass
Microspheres, glass
Beads, borosilicate glass
Balls, glass, precision ground
Rods and tubes, lead glass
Rods and tubes, soda glass
Rods and tubes, borosilicate glass
Rods and tubes, fused quartz or fused silica glass
Rods and tubes, coloured glass
Pipes, processing plant, glass
Bulbs, glass, for X-ray tubes
Bulbs, glass, for cathode ray tubes
Bulbs, glass, for electric lamps/filament lamps/incandescent lamps
Bulbs, glass, for radio and television valves
Bulbs, glass, for photoelectric cells, thermionic valves/tubes and electronic devices
Bulbs, glass, fire sprinkler
Hourglass bulbs, glass
Bulbs, glass, for mercury arc rectifiers
Bulbs, glass, for insulating containers
Beads, glass, for shot-blasting
Microspheres, glass, for road marking paints
Microspheres, hollow, glass, cement or concrete additive
Floats, glass, spherical, for fishing nets
Glass sleeved wires and rods
