Where automated optical inspection can inspect PCBs thoroughly, automated X-ray inspection can also detect faults in PCBs that have no visible joints. This provides for in-depth analysis of errors that can then be eliminated.
Crude Glycerin is a by-product 85% glycerol is a dark brown liquid derived from the transesterification of virgin crude oil. Read here the value-added uses of crude glycerin in Animal feed, Chemicals feedstock, and skin care.