Coordinate measuring instruments; Gas testing instruments; Instruments for detecting and measuring two-dimensional distribution of force and pressure; Instruments for measuring length; Lasers for measuring; Measuring apparatus, namely, angle finders; Measuring rules; Pressure measuring apparatus; Sensors for measuring distance, not for medical use; Surveying apparatus; Surveying compass needles; T-squares for measuring; Tool measuring instruments; Tyre-pressure measurers; Water testing instru...