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2. Self-cleaning oven - Wikipedia

   en.wikipedia.org/wiki/Self-cleaning_oven

   The oven walls are coated with heat- and acid-resistant porcelain enamel. A self-cleaning oven is designed to stay locked until the high temperature process is completed. To prevent possible burn injuries, a mechanical interlock is used to keep the oven door locked and closed during and immediately after the high-temperature cleaning cycle ...

3. Pilot light - Wikipedia

   en.wikipedia.org/wiki/Pilot_light

   An alternative to the pilot light is a system to create a high voltage electrical arc or spark between two electrodes, in order to light the gas flowing to the burner. Fail-safe design for such a system requires the burner flame to be detected by passing an electric current through the flame, which is received by the flame rectification circuit ...

4. Pyrolysis - Wikipedia

   en.wikipedia.org/wiki/Pyrolysis

   Vacuum Ovens use pyrolysis in a vacuum [92] avoiding uncontrolled combustion inside the cleaning chamber; [87] the cleaning process takes 8 [88] to 30 hours. [93] Burn-Off Ovens, also known as Heat-Cleaning Ovens, are gas-fired and used in the painting, coatings, electric motors and plastics industries for removing organics from heavy and large ...

5. Incandescent light bulb - Wikipedia

   en.wikipedia.org/wiki/Incandescent_light_bulb

   An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...

6. Pyrolysis oil - Wikipedia

   en.wikipedia.org/wiki/Pyrolysis_oil

   Pyrolysis oil, sometimes also known as biocrude or bio-oil, is a synthetic fuel with few industrial application and under investigation as substitute for petroleum.It is obtained by heating dried biomass without oxygen in a reactor at a temperature of about 500 °C (900 °F) with subsequent cooling, separation from the aqueous phase and other processes.

7. Ascent of the Blessed - Wikipedia

   en.wikipedia.org/wiki/Ascent_of_the_Blessed

   Ascent of the Blessed is a Hieronymus Bosch painting made between 1505 and 1515. It depicts angels helping human souls towards heaven. The attribution to Bosch is not universally accepted. [1] It is located in the Gallerie dell'Accademia in Venice, Italy. [2] This painting is part of a polyptych of four panels entitled Visions of the Hereafter.