Fireworks mortar tubes must be at least Schedule 40 ABS tube, not the lightweight Schedule 80 PVC tube shown. The lifting charge would immediately explode through such a thin tube.
Fireworks are never launched without maintaining a visual reference to the mortar racks (which incidentally are banned by law to be placed on rolling trailers), allowing the pyrotechnician to immediately cease launching if there was any damage or instability to those racks.
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05/03/2025 alle ore 07:43
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