3D spectacles; Amplifiers for wireless communications; Balances; Calipers for measuring trees; Computer network switches; Electric navigational instruments; Electronic collars to train animals; Eyeglass frames; Global positioning system (GPS); Graduated rulers; Letter scales; Measuring rules; Precision balances; Scales; Spectacle cases; Spectacle holders; Spectacle lenses; Spectacles; Steelyards; Sunglasses; Telephone sets; Videophones; Weighbridges; Weighing apparatus and instruments; Weighi...