Finally, diaphragm pumps are durable and require little to no maintenance. These pumps are built to last, even in harsh ...

You can stand with one foot on a chair, sit on the edge of a chair, lie down, or squat — do whatever works for you. 4. Separate the lips of your vulva with one hand. With the other hand, pinch the rim ...

One of the tricky parts of engineering in the physical world is making machines work with the available ... rubber membrane and a clever valve system to create a diaphragm air engine.