darkening

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Blackout (also blackout ):

  • Global darkening refers to the reduction in daylight caused by tiny particles in the atmosphere.
  • Darkening (botany) is used to control crops in a greenhouse.
  • Darkening (air protection) describes an air protection measure in which artificial light sources are switched off or shielded
  • Risk of blackout , removal of evidence
  • Operational dimming , complete or almost complete light switch-off in rooms (e.g. cinema), has consequences for safety lighting and light control according to building law