In 2023. switching the material on the first wall of ITER to tungsten (W) was recommended. In magnetic Fusion devices. waves in the Ion Cyclotron Range of Frequencies (ICRF) interact with the Scrape-Off Layer (SOL) via RF-sheath rectification. https://www.bekindtopets.com/top-sale-Granular-foveolae-3911-limited-choice/