"instrument" - key terms from Wikipedia

brass instrument
ear piercing instrument
electric instrument
experimental musical instrument
fairchild camera and instrument corp
fender electric instrument
general instrument
instrument
instrument amplifier
instrument amplifiers
instrument approach
instrument approaches
instrument cluster
instrument controllers
instrument detection limit
instrument display
instrument flight
instrument flight rules
instrument landing system
instrument meteorological conditions
instrument of government
instrument of surrender
instrument panel
instrument peripherals
instrument rating
japanese instrument of surrender
keyboard instrument
lighting instrument
main instrument
measuring instrument
mortgage instrument
musical instrument
musical instrument digital interface
negotiable instrument
percussion instrument
precision instrument approach and landing
research institute of instrument design
revised instrument panel
scientific research institute of instrument
similar instrument
solo instrument
stage lighting instrument
statutory instrument
string instrument
stringed instrument
time of the instrument
trust instrument
underlying instrument
wind instrument
woodwind instrument