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2. Foam depopulation - Wikipedia

   en.wikipedia.org/wiki/Foam_depopulation

   Foam depopulation or foaming is a means of mass killing farm animals by spraying foam over a large area to obstruct breathing and ultimately cause suffocation. [1] It is usually used to attempt to stop disease spread. [2] Foaming has also been used to kill farm animals after backlogs in slaughtering occurred during the COVID-19 pandemic. [3]

3. Spray foam - Wikipedia

   en.wikipedia.org/wiki/Spray_foam

   Spray foam insulation or spray polyurethane foam (SPF) is an alternative to traditional building insulation such as fiberglass. A two-component mixture composed of isocyanate and polyol resin comes together at the tip of a gun, and forms an expanding foam that is sprayed onto roof tiles, concrete slabs, into wall cavities, or through holes ...

4. Daily cover - Wikipedia

   en.wikipedia.org/wiki/Daily_cover

   While soils are the traditional materials employed in daily cover, alternative daily cover (ADC) options such as "green waste", [3] mixtures of paper sludge, tire derived aggregate (TDA) and geosynthetic membranes [4] have displayed mechanical characteristics desirable for daily cover. When compared to traditional soil layers, the paper sludge ...

5. Syntactic foam - Wikipedia

   en.wikipedia.org/wiki/Syntactic_foam

   Syntactic foam, shown by scanning electron microscopy, consisting of glass microspheres within a matrix of epoxy resin.. Syntactic foams are composite materials synthesized by filling a metal, polymer, [1] cementitious or ceramic matrix with hollow spheres called microballoons [2] or cenospheres or non-hollow spheres (e.g. perlite) as aggregates.

6. Restaurant tried to stop rodents with duct tape. It didn’t ...

   www.aol.com/news/restaurant-tried-stop-rodents...

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7. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   Spray foam is a type of insulation that is sprayed in place through a gun. Polyurethane and isocyanate foams are applied as a two-component mixture that comes together at the tip of a gun, and forms an expanding foam. Cementitious foam is applied in a similar manner but does not expand.