A method for making an expanded snack piece using supercritical fluid extrusion is disclosed. The walk-in apparatus also includes a member for connecting the release lever and the reclining plate and is adapted to disengage the release lever from the reclining plate when a load is applied to the connecting member equal to or more than a predetermined value. The first resonant converter includes a first transformer. , as a visual layout of the portion of the hierarchical node set that includes the data feature or a timeline of nodes illustrating the path of the data feature over time.