MODEL RELEASED. Student collecting insects. Secondary school student using a mouth-operated pooter to collect insects from a tree trunk. Suction applied using the mouth creates a vacuum that draws the insects into the tube and into the jar held in the student's hand. A cover or valve in the mouth-operated section of the tubing prevents accidental ingestion of the insects | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 5119 px × 3425 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |