Complex sentence: The 145 cm SURENA II humanoid robot had 22 Degrees of Freedom (DOF), and the robot was unveiled to the public during the industry and mine anniversary, which was attended by Iran's President Mahmood Ahmadinejad.
Split into simpler sentences: The 145 cm SURENA II humanoid robot had 22 Degrees of Freedom (DOF). The robot was unveiled to the public during the industry and mine anniversary, before the president of Iran, Mahmood Ahmadinejad.