Hydrostatic drives are also used in railway maintenance machines such as tampers and rail grinders. Hydrostatic drives are also utilised in railway maintenance machines (tampers, rail grinders). She also bewitches him to mistrust Doom and tampers with his letters. During the attacks, Solow and Nilson activate Maddox, who tampers with the equipment. Unbeknownst to Scully, Gill tampers with her pregnancy medication. Gentle tampers with one of the stones used in the ceremony to attack Sartori. They are often used in conjunction with ballast tampers when maintaining track. However, Helena tampers with the results, making it seem that Nikolas is the father. At the tournament, Hadi tampers with Harun's saddle. He tampers with the pistol which instantly kills Topolain. While there, the Luthor robot tampers with the body chemistry of the previously captured Reactron. Clara tampers with the device so that it wipes the Doctor's memories of her instead. While there, the Luthor robot tampers with the body chemistry of the previously-captured Reactron. Later, the baby alien visits Butt's chamber and tampers with the controls. Someone tampers with her life support machine in an effort to kill her.