Yahoo Answers is shutting down on May 4th, 2021 (Eastern Time) and beginning April 20th, 2021 (Eastern Time) the Yahoo Answers website will be in read-only mode. There will be no changes to other Yahoo properties or services, or your Yahoo account. You can find more information about the Yahoo Answers shutdown and how to download your data on this help page.
Trending News
Promoted
Is a dentist chair pneumatic or hydraulic?
I need a straight up answer, dont try to explain why
1 Answer
Relevance
- Andy CLv 74 months ago
Not all chairs are the same. The answer is BOTH. Cheaper ones tend to be pneumatic and more expensive ones, hydraulic.
Hydraulic energy transfer is a lot smoother.
This is why fluid is used in most vehicle shock. Gas is added to fluid, sometimes, but fluid is usually better.
Still have questions? Get your answers by asking now.