[Amen] wanted to inspect ICs on the PCBs for suitability for reuse, so he bought a metallurgical microscope that illuminates from above rather than below, since it normally looks at opaque things.

The microscope speeds up the inspection process from observation ... it is perfect for inspecting materials with extremely small height changes, such as minerals and metallurgical structures. When ...

Up to now, it has been only thermal coal that has come under attack from climate change fighters, but now metallurgical coal is also coming under the microscope of a group of ten organisations ...