Since 1969 CRYSTAL MARK, INC. has specialized in the field of micro-abrasive blasting technology. As a tool Micro-abrasive blasting has many uses in many applications. These include: electronics industry, aerospace, precision machining, medical manufacturing, semiconductor industry, glass engraving and fossil preparation. Micro-abrasive blasting is when a finely graded powder is introduced into a gas stream and delivered to a nozzle. The nozzle increases speed and directs the abrasive with precision.