Blanketsandotherin-vesselcomponentsareeasilydamagedowingtotheircircumstanceofhighradiationandhighheat.Toprotectthem,firstwalldesignshouldbeconsidered.Owingtoitshighheatremovalndself-refreshingcapability,liquidmetalfirstwallhasbeenseenasapotentialfirstwallforafusionreactorinthefuture.Blanketliquidcurtainisactuallyaspecialliquidmetalwalltoprotectblanket.