In construction, mild steel is used for retaining or reinforcing purposes. Fences, security screens, partitions, general storage solutions, machine guards, cages, and aviaries are made of galvanized mild steel. Pre-galvanized wire or hot-dipped wire is used to create galvanized welded mesh. Hot-dipped is preferable for aesthetic reasons because it hides welds. Square, carbon steel, cold rolled, mill finish, welded-untrimmed, 2″ x 2″ squares, 3/16″ (0.187″).