The invention relates to an apparatus, an installation and a method for machining a workpiece made of metal, such as steel, by a machining processes such as forming, pressing, drawing, compressing and cutting. The first and second transistors are coupled in series between first and second voltage input pins of a chip. In a preferred embodiment, the biomarkers are one or more of the following: C-reactive protein, cystatin c, plasminogen, complement C3, CysGly-transthyretin, and phosphorylated neurofilament heavy chain. The fluid body movement assists in maintaining a distance between the individual solidifying pellets or granules thereby minimizing deformation as a result of physical contact. In another approach, a migratory material is placed on the torsion arm and selectively stimulated to migrate into the torsion arm, thereby changing the mechanical properties of the torsion arm.