"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