Orbital motion in a sander is created by a a. flexible coupled counterweight. b. unbalanced gear drive. c. direct-drive counterweight. d. eccentric gear and pin.

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3pointsyou've found an image you want to insert into your slide presentation. youwant to make the image look more gray so that it looks like an older imagewhat would you need to adjust? 0.00o a. sizeo b. hueo c. contrasto d. tones