Student collecting insects. Secondary school student using a mouth-operated pooter to collect insects from a collection tray. Suction applied using th
Student collecting insects. Secondary school student using a mouth-operated pooter to collect insects from a collection tray. 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.
Size: 3425px × 5119px
Photo credit: © MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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