Adding substances at construction, reconstruction, and destruction of Su-Fields. Field instead of substance. External addition instead internal one. Particularly active addition in very small doses. Substance in very small doses.
Addition is used for a while.
A copy instead of a subsystem. Addition is obtained from the subsystem itself 5.1.2. Big additives 5.2. Adding fields at construction, reconstruction, and destruction of Su-Fields 5.2.1. Using existing fields 5.2.2.