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message of how it works, for instruction or explanation
concept of partnership in business:two businessmen stretches his
MANAGEMENT PRINCIPLES, A professional notebook with ladder showing management principles concept
Agile software development principle on the floating icon process with businessman pen writing to text or conding, concept about scrum, iterative methods.
Back-illuminated sensor principle demonstration, microlences, photodiodes, colour bayer filters, metal wiring. 3D rendering

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