99 recovery gold refining gold centrifugal concentrator
Filtration GVS Filter Technology
Filtration through a mesh means that the screen will stop particles larger than the mesh size rating. Medical meshes adopted by GVS are medical grade and comply with the very strict international requirements for cleanliness.
Basic Design Atomic Rockets
This is the living breathing core of all rocket design. Delta Vee equals Vee Ee times Natural Log of Arr. This is the secret that makes rocket design possible.