# Image sources

Pexels free photographs used as editorial context for low-smoke, halogen-acid-gas, public-space and rail-transport requirements. Images do not represent Super Smile laboratory results or third-party certification.

- `hero-material-lab.jpg` — Pexels free photo, modern rail interior used as a public-transport application context.
- `gas-analysis.jpg` — Pexels free photo, laboratory analysis context.
- `smoke-visibility.jpg` — Pexels free photo, visibility and smoke context.
- `rail-application.jpg` — Pexels free photo, rail application environment.
- `public-space.jpg` — Pexels free photo, occupied public-space context.
- `material-record.jpg` — Pexels free photo, material documentation context.

Low-smoke, halogen content and flame performance are separate claims and require the exact material declaration and specified test method.