THE HONG KONG GOVERNMENT GAZETTE, MARCH 1, 1940.
Petards.
Reconnaissauce lares. Rifle Signal Grnades.
Snaps for Bon Bon Crackers. Socket Distres Signals. Socket Light signals.
Socket Sound and Smoke
Signals.
Socket Sound Signals.
Sound Signal Rockets.
Spangle Lights. Star Shells. Steam Generators. Throwdowns.
Toy Balloons. Tracer Bullets.
Tracers.
Tracers (Daylight).
Tracer Shells.
Very Signal Cartridges.
and any preparation, adaptation, or substance, whether similar or not to the above mentioned substances, which is used or manufactured with a view to produce a practical effect by explosion.
CATEGORY 2.
COMPRESSED GASES.
CLASS 1-
-PERMANENT.
Air.
Argon.
Carbon Monoxide.
Coal gas.
Helium.
Hydrogen.
Methane.
Neon.
Nitrogen.
Oxygen.
CLASS 2.-LIQUEFIED).
Ammonia.
Carbon dioxide.
Chlorine.
Ethylene.
Ethyl chloride.
Hydrocyanic acid.
Methyl chloride.
Nitrous oxide.
Phosgene.
Sulphur dioxide.
Any other liquefied gas not above specified.
CLASS 3.-Dissolved.
Acetylene.
CATEGORY 3.
SUBSTANCES WHICH BECOME DANGEROUS BY INTERACTION
WITH WATER OR AIR.
Aluminium, Granulated or Powder.
Aluminium chloride.
Barium metallic.
Calcium carbide.
Calcium cyanamide.
Calcium metallic.
Calcium phosphide.
Calcium silicide.
Ferro silicon.
Magnesium metal, powder, ingots or sticks.
Phosphorus and Phosphorus Amorphous.
Potassium metallic and Sodium metallic.
Zinc, granulated, powdered or dust.
Any other substance which becomes dangerous by interaction with water or air.
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