Can someone please tell me what this is. It’s called a “rectifier” 整流板? It’s above my stove. Does it catch grease or something? Do I need to put a sheet over it? Any help would be great, thanks!
Can someone please tell me what this is. It’s called a “rectifier” 整流板? It’s above my stove. Does it catch grease or something? Do I need to put a sheet over it? Any help would be great, thanks!