Sierra Railway Locomotive No. 3, a 134-year-old, complex piece of oil-fired, steam-driven machinery made up of thousands of ...

A plant in South Africa, which was losing up to 20% of output owing to frequent downtime over more than ten years, ...

This video shows how I make a compact 2" bore air cannon with a coaxial piston valve. To understand how these valves work examine the third animation in the following link: <a href=" I also go into ...