Craniofacial prosthetics are not wholly considered cosmetic because they replace the physical form and functional mechanics of the absent anatomy and serve a significant role in the emotional stability and rehabilitation of those suffering from facial defects.
A programmable Logic device refers to any type of integrated circuit that a logic. design can be implemented and reconfigured in the field by the end user. Since these. logic devices can be programmed in the field they are also called Field Programmable. Logic Devices (FPLDs).
Since the late 1960's, the Programmable Logic Controller (or PLC) has become an essential aspect of any automated manufacturing process. In recent times there have been contenders to replace the PLC but the priniciples and popularity of those early PLC's functions and concepts have continued unabated.