Micrometers; Scales; Appliances for measuring the thickness of leather; Biometric identification apparatus; Carpenters' rules; Fingerprint scanners; Glass graduated scales; Hourglasses; Marking gauges for joinery purposes; Measuring apparatus, namely, angle finders; Measuring rulers; Metal detectors; Micrometer gauges; Slide calipers; Smoke detectors; Surveying instruments; Time recording apparatus; Weighing machines