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  2. List of building or structure fires - Wikipedia

    en.wikipedia.org/wiki/List_of_building_or...

    May 28 – 2012 Villaggio Mall fire. A fire at a mall in Doha, Qatar, killed 19. [245] August 24 – 2012 Venezuela Refinery Explosion. An explosion and fire at the Paraguaná Refinery Complex killed 48 and injured 151. September 11 – 2012 Pakistan garment factory fires. A fire in a Karachi garment factory killed at least 312 workers. [246] [247]

  3. List of accidents and disasters by death toll - Wikipedia

    en.wikipedia.org/wiki/List_of_accidents_and...

    This is a list of accidents and disasters by death toll.It shows the number of fatalities associated with various explosions, structural fires, flood disasters, coal mine disasters, and other notable accidents caused by negligence connected to improper architecture, planning, construction, design, and more.

  4. Cloud seeding - Wikipedia

    en.wikipedia.org/wiki/Cloud_seeding

    With an NFPA 704 health hazard rating of 2, ... had ongoing weather modification operational programs in 2012. [80] ... [99] However ...

  5. Samarium - Wikipedia

    en.wikipedia.org/wiki/Samarium

    Samarium-149 has a high cross section for neutron capture (41,000 barns) and so is used in control rods of nuclear reactors. Its advantage compared to competing materials, such as boron and cadmium, is stability of absorption – most of the fusion products of 149 Sm are other isotopes of samarium that are also good neutron absorbers .

  6. Sulfur dioxide - Wikipedia

    en.wikipedia.org/wiki/Sulfur_dioxide

    Sulfur dioxide (IUPAC-recommended spelling) or sulphur dioxide (traditional Commonwealth English) is the chemical compound with the formula S O 2.It is a colorless gas with a pungent smell that is responsible for the odor of burnt matches.

  7. Halloween - Wikipedia

    en.wikipedia.org/wiki/Halloween

    Halloween, or Hallowe'en [7] [8] (less commonly known as Allhalloween, [9] All Hallows' Eve, [10] or All Saints' Eve), [11] is a celebration observed in many countries on 31 October, the eve of the Western Christian feast of All Hallows' Day.