the soft seal enables continuous values they don't actually use the one harden coatings and the label data said they uses a ridge net which is 1.3 million images and the unlabeled data said they use is jft which is 300 million images and they basically do iterative training where they take the biggest efficient at model possible and actually make it wider for the next next scenarios so the original teacher could be b7 which is the widest and deepest efficient net that exists and the student model the trains next could be another bigger