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2. Chaff (countermeasure) - Wikipedia

   en.wikipedia.org/wiki/Chaff_(countermeasure)

   There is not a lot of research on the public health and environmental effects of chaff. A U.S. Department of Defense-sponsored 1998 research review stated that the "widespread environmental, human and agricultural impacts of chaff as currently used in training are negligible and far less than those from other man-made emissions." [2]

3. Mace (spray) - Wikipedia

   en.wikipedia.org/wiki/Mace_(spray)

   Mace is the brand name of an early type of aerosol self-defense spray invented by Alan Lee Litman in the 1960s. The first commercial product of its type, Litman's design packaged phenacyl chloride (CN) tear gas dissolved in hydrocarbon solvents into a small aerosol spray can, [1] usable in many environments and strong enough to act as a deterrent and incapacitant when sprayed in the face.

4. Defense in insects - Wikipedia

   en.wikipedia.org/wiki/Defense_in_insects

   The evolution of fortress defense is closely linked to the specialization of soldier mandibles. [12] Soldiers can have biting-crushing, biting-cutting, cutting, symmetrical snapping, and asymmetrical snapping mandibles. These mandibles may be paired with frontal gland secretion, although snapping soldiers rarely utilize chemical defenses. [12]

5. Prallethrin - Wikipedia

   en.wikipedia.org/wiki/Prallethrin

   It is the main ingredient in the consumer product "Hot Shot Ant & Roach Plus Germ Killer" spray. [1] The vaporizer contains Prallethrin in isoparaffin solvents. The liquid is drawn up through a porous clay carbon wick by capillary action then vaporized with a heater.

6. Projectile use by non-human organisms - Wikipedia

   en.wikipedia.org/wiki/Projectile_use_by_non...

   A bird that uses liquid projectiles in defense is the southern giant petrel which produces a stomach oil made up of wax esters and triglycerides that are stored in the proventriculus and can be projectile vomited on predators. Other petrels such as the fulmar can also squirt oils from their mouths as a defense. They can squirt oils with ...

7. Dolichovespula maculata - Wikipedia

   en.wikipedia.org/wiki/Dolichovespula_maculata

   Dolichovespula maculata is a species of wasp in the genus Dolichovespula and a member of the eusocial, cosmopolitan family Vespidae.It is taxonomically an aerial yellowjacket but is known by many colloquial names, primarily bald-faced hornet, but also including bald-faced aerial yellowjacket, bald-faced wasp, bald hornet, white-faced hornet, blackjacket, white-tailed hornet, spruce wasp, and ...