====== PARTICLE_SYSTEM ======
[[:api:particle_system| API documentation]]
  * PARTICLE_SYSTEM_BEEKEEPER_BEES
  * PARTICLE_SYSTEM_BLACKSMITH_FIRE
  * PARTICLE_SYSTEM_BLACKSMITH_FIRE_SMOKE
  * PARTICLE_SYSTEM_BLACKSMITH_GRIND
  * PARTICLE_SYSTEM_BLACKSMITH_ROCK
  * PARTICLE_SYSTEM_BLACKSMITH_SMOKE
  * PARTICLE_SYSTEM_BUTCHER_SMOKE
  * PARTICLE_SYSTEM_CHIMNEY_SMOKE
  * PARTICLE_SYSTEM_HOUSING_SMOKE
  * PARTICLE_SYSTEM_SAWMILL_SMOKE
  * PARTICLE_SYSTEM_SAWMILL_SPARK
  * PARTICLE_SYSTEM_STONECUTTER_ROCK
  * PARTICLE_SYSTEM_STONECUTTER_SMOKE