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Class 4 YouTube Videos

A collection of videos present in the UN Class 4 presentation

3. UN Class 4.3 Dangerous when wet

3.2. Calcium Carbide (Class 4.3) reaction with water in a confined space

A video showing the reaction between Calcium Carbide, a 4.3 material that used to be used in old mining helmet lamps, as it produces Acetylene gas upon reaction with water, where here, the Acetylene is captured in steel barrels and exploded for entertainment.