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Pepper spray used in nonviolent situations in prison pilot
A pepper spray intended for use on violent prisoners in England and Wales has been approved despite being used in nonviolent incidents more than a third of the time in a recent trial, contravening official guidance, the Guardian learned.
Police use pepper spray, teargas on North Dakota protesters
A large number of protesters in the US state of North Dakota have once again demanded a proposed oil pipeline project be scrapped.
Antistatic spray paint for all surfaces
Researchers at University of Tehran have developed a high-performance semiconductor antistatic spray paint that can be applied to large areas without losing electrical conductivity, using nanotechnology.

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