From this FArs News tweet:
Iran Started Injecting Gas into Next-Generation Centrifuges at Natanz Nuclear Facility in A Ceremony Attended by President Hassan Rouhani Through Videoconferencing
I lack the confidence to ID the precise centrifuges, but the tweet includes this photo:
![](https://totalwonkerr.net/wp-content/uploads/2021/05/Screen-Shot-2021-05-07-at-10.36.51-PM-1024x567.png)