Anything which could be hazardous to public display is prohibited. This
includes:
Live poisonous animals may not be displayed.
No dangerous chemical substances such as caustics, acids, highly
combustible solids, fluids or gases may be displayed. If such materials
are required, inert substitutes should be used.
No open flames are permitted.
Any project producing temperatures exceeding 100°C must be adequately
insulated from its surroundings.
Highly flammable display materials are prohibited.
Tanks which have contained combustible gases must be purged with carbon
dioxide. No combustible fuel may be displayed.
High voltage equipment such as large vacuum tubes or dangerous
ray-generating devices must be shielded and safety checked by a
qualified inspector. Students should be cautioned in advance about the
dangers of experimenting with such equipment and their work carefully
supervised.