straight heating treatment during conditioning. it's major feature is in controlling the fire to that there will be no scorch at the bottom of the pot. stirring blades, while rotating, the big scraping is at counter direction.
dismountable lifting stirring blades for assembly, stirring eccentric shaft, self-adjusting high and low position. movable blades, able to mix and condition evenly without scorching. side scraping won't damage the materials is one of it's feature.