One veteran conservative education reformer describes himself as âfurious and frustratedâ by the increasing dominance of social justice warriors in education reform and the marginalization of dissenting views. âIt's an existential threat,â he notes.
Class A or Ordinary Combustibles ... Class B or Flammable and Combustible Liquids ... Class K for fires that involves combustible or fats cooking oils in well ... â PowerPoint PPT presentation.
NFPA-31(11): Standard for the Installation of Oil-Burning Equipment The 2011 NFPA 31 now covers all liquid fuels -- not just petroleum-based oils -- that are approved for use in oil-burning appliances, such as boilers, air heaters, and water heaters.