Completed deburring all right Horizonatal Stabalizer parts. Daryl setup a dimpling/back riveting station. Dimpled all right Horizontal Stabalizer parts including skin. Countersunk all Horizontal Stabalizer parts as required. Disassembled left Horizontal Stabalizer assembly and deburred all parts (except skin). Setup a paint station for priming parts. Primed all spars and right Horizontal Stabalizer parts in preparation for riveting.