Answers

2014-12-07T10:50:15+08:00
Instrument is a device that produce their own sound by applying a human force, it could be a guitar, xylophone, drums and etc
in technology or science ,instrument are tools or mechanical device used in working or experimenting ,observing a given material or measure or control something ex: are like barometer, thermometer, seismograph,x-ray, and etc.
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