Application of lithium (Li) or silicon (Si) wall coating in the Experimental Advanced Superconducting Tokamak (EAST) has proven to be an effective method to reduce fuel recycling and control impurity level. and also to improve the plasma performance. In 2014. the upper graphite divertor in EAST was upgraded into a full tungsten (W) one with ITER-like actively water-cooled monoblock st... https://countryscenesaddleryandpetsuppliers.shop/product-category/barrel-saddle/