To improve energy efficiency of prior art processes while preserving the standards of quality and total yield of desired end products, a process for the preparation of phenolic compounds is proposed. The method includes obtaining a sample of a readback signal from a sequence of data stored on the storage medium using the head. The rod member is fixedly engageable with the shank and moveably coupled to the head such that both the rod member and the shank are moveable with respect to the head. Both wire-based or wireless communications methods and devices are implemented. The high-speed rotor comprises rotor teeth that impact the material to fragment or comminute it to an acceptable size.