| prov:value
| - aining nitrates, chlorates, oxalates, sulfides of lead, barium, antimony, arsenic, mercury, nitroglycerine phosphorus or compound containing any of the same or other explosives, or any substance or combination of substances, or article prepared for the purpose of producing a visible or an audible effect by combustion, explosion, deflagration or detonation, other than aviation and railroad signal l
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