Nondestructive Testing (NDT) based on laser technology has witnessed incremental acceptance in the NDT industry since the early 1990’s with shearography and holography interferometry as the most widely recognized techniques based on this technology.
Green manufacturing doesn’t have to involve solar power and wind turbines. It can be turning equipment to a lower setting when not in use, switching the lighting, or even changing a plant’s operating hours in order to save electricity.
In some instances, optical inspection can refer to human visual inspection of an object, but these days it more likely refers to Automated Optical Inspection (AOI) conducted by a machine vision system or specialized AOI system.