Screw-thread measuring machines and instruments; Power switches; Electric bark control dog collars featuring static electricity; Graduation checkers; Personal security alarms that connect to a wireless communications network; Screw-tapping gauges; Measuring rulers; Ink cartridges, unfilled, for photocopiers; Bevel squares for measuring; Tacheometers being surveying apparatus; T-squares for measuring; Squares for measuring; Square rulers for measuring; Collimators; Angle gauges; Snap gauges; A...