File:Fit used Tennis balls into the foots of the Student's chairs for noise reduction at the JP elementary school.jpg
Jump to navigation
Jump to search
![File:Fit used Tennis balls into the foots of the Student's chairs for noise reduction at the JP elementary school.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Fit_used_Tennis_balls_into_the_foots_of_the_Student%27s_chairs_for_noise_reduction_at_the_JP_elementary_school.jpg/600px-Fit_used_Tennis_balls_into_the_foots_of_the_Student%27s_chairs_for_noise_reduction_at_the_JP_elementary_school.jpg?20140422081315)
Size of this preview: 600 × 600 pixels. Other resolutions: 240 × 240 pixels | 612 × 612 pixels.
Original file (612 × 612 pixels, file size: 70 KB, MIME type: image/jpeg)