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  2. Open burning of waste - Wikipedia

    en.wikipedia.org/wiki/Open_burning_of_waste

    The open burning of waste is a disposal method of waste or garbage.It is a disposal method used globally, but often used in low and middle-income countries that lack adequate waste disposal infrastructure.

  3. Combustion - Wikipedia

    en.wikipedia.org/wiki/Combustion

    The flames caused as a result of a fuel undergoing combustion (burning) Air pollution abatement equipment provides combustion control for industrial processes.. Combustion, or burning, [1] is a high-temperature exothermic redox chemical reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as smoke.

  4. Fluidized bed combustion - Wikipedia

    en.wikipedia.org/wiki/Fluidized_bed_combustion

    FBC smoke tube boiler. Fluidized bed combustion (FBC) is a combustion technology used to burn solid fuels.. In its most basic form, fuel particles are suspended in a hot, bubbling fluidity bed of ash and other particulate materials (sand, limestone etc.) through which jets of air are blown to provide the oxygen required for combustion or gasification.

  5. Open theism - Wikipedia

    en.wikipedia.org/wiki/Open_theism

    In short, open theism posits that since God and humans are free, God's knowledge is dynamic and God's providence flexible. Whereas several versions of traditional theism picture God's knowledge of the future as a singular, fixed trajectory, open theism sees it as a plurality of branching possibilities, with some possibilities becoming settled as time moves forward.

  6. Open letter - Wikipedia

    en.wikipedia.org/wiki/Open_letter

    In previous centuries, letter writing was a significant form of communication. Letters were normally kept private between the sender and recipient. Consequently, an open letter, usually published in a newspaper or magazine, was a then-rare opportunity for the general public to see what a public figure was saying to another public figure. [4]