Acid hydrometers; Automotive measuring instruments, namely, water temperature gauges, air fuel/ratio gauges, boost gauges, vacuum gauges and exhaust gas temperature gauges; Barometers; Diagnostic apparatus for testing food; Electric sensors; Electrical inductors; Electronic apparatus for testing compression, strength, hardness and tensile characteristics of industrial materials; Ergometers not for medical purposes; Gas testing instruments; Gravity measuring instruments; Manometers; Measuring ...