Fireworks Rocket 2nd Class (OSFMFEI19) Fireworks Rocket 2nd Class covers pyrotechnic chemistry, fuse timing systems, shell construction, burst charge calculations, and safety protocols specific to large aerial shells. You’ll study the physics of lift equations, color-producing compounds, and multi-break configurations that distinguish professional displays from basic effects. Compliance with ATF regulations and proper handling of black powder variants round out the technical scope.
| Exam Name | Fireworks Rocket 2nd Class |
| Exam Code | OSFMFEI19 |
| Format | PDF & Practice Test Engine |
| Target Year | 2026 Updated |
| Features | 100% Verified Q&As |
