The question we want to answer about this sterilization is why? The break up of Yugoslavia and ensuing conflict, very similar to today’s conflict in Syria saw an enormous diversity in the trade and manufacture of small arms, going in and going out of the conflict zones as all the various armed groups tried to get ahold of weapons to arm themselves with. Sterilization almost entirely is done to allow plausible deniability to the presence of a country’s small arms in another location. China in particular made entire batches of small arms with dedicated markings such as M21 on SKS’s, complete with actual serial numbers. These were fed into Cambodia, Vietnam, and Laos during the Vietnam War. This is a photograph I took of while in Burma of one such example-
The building of the Wall rendered Peglau’s dissertation useless. He had developed a braking system for the Berlin suburban railway circuit, but this was made redundant by the Wall. Karl Peglau’s life was closely interlinked with history. He spent 30 years working as an executive traffic psychologist for the medical service of the East German transportation system. In this position, amongst other things, he developed analytical procedures for ascertaining roadworthiness, as well as several guidance symbols for regulating traffic flows and for increasing traffic safety.