What specific miracles and extraordinary abilities of Sai Baba are mentioned in Chapter 7?

Chapter 7 of the Shri Sai Satcharitra describes some of Sai Baba's extraordinary yogic abilities. It specifically mentions his practice of Khanda-yoga, which is described as the disjointing of his limbs. The text states he could separate his hands, feet, and head and then join them back together as before. In addition to this remarkable feat, the chapter also references his experiments with other yogic cleansing techniques like Dhauti and Poti. These practices are presented as examples of how he toiled for others, even wearing out his own body and bearing the sufferings of his devotees, showcasing his complete mastery over his physical form.