Leg compression machines use air pressure to improve the blood supply to major blood vessels in the lower legs and drain lymphatic fluid to nearby lymph nodes.

Precious Plastic is giving instructions on how to build a series of simple machines that will let makers turn plastic trash into new material.

Engineers and technicians use the test equipment to perform specialized testing of packaging materials. Case-in-point is the test facility's tension and compression test machines.

We tested the Hyperice Normatec 3 to see how it works and the benefits it offers. Here are our thoughts on this leg compression machine.