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# An instrument for measuring rotation and frequency
# A tool for measuring or plotting angles
# gas pressure gauge
# Chronograph
# Compressor
# protractor
# dimmer
# high speed photometer
# Light measurement experiments
# atmospheric pressure measuring instrument
# measuring tool
# foot measuring tool
# height measuring tool
# Questionnaire and scale tool
# Measurement as a calendar tool
# question mark
# Identifier
# NicePanel Explanation
# History Philosophy Tool
# DATACONTROL
