Extractor fan safety test. Researcher using a smoke generator to test the air flow for an industrial extractor fan system. Photographed as part of work carried out by the UK's Health and Safety Laboratory (HSL) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / CROWN COPYRIGHT |
Bildgröße: | 3262 px × 2728 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |