"megaphone" is to "microphone" as "hourglass" is to

"megaphone" is to "microphone" as "hourglass" is to a timer

Explanation:

The megaphone is an item that magnifies the sound and makes it easy to hear for big quantities ve of people in big spaces. while a microphone absorbs the sound and converts it in electric impulses to be used in recorded or transmissions, Then an hourglass measures and sees the hours pass by and counts the, in the other side a timer can different and more functional uses to the minutes and hours.

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