Electric sensors; thermometers, not for medical purposes; pressure gauges; pressure measuring apparatus; ergometers not for medical purposes; precision measuring apparatus, namely, angle finders, electronic sliding calipers, micrometers, and slide rules; vibration meters; digital torque gauges; vibration sensors; levelling instruments, namely, level indicators, level measuring machines, levelling rods; measuring sensors for measuring angle and level not for medical use; electrotechnical vibra...