Senior expert supervisor electrical,,electronic,,computer networking and mechatronics,,,member of 16 textbook authorship ...labrotaries in my fields ..huge experience in electronic repairing equipments..four years experience in maritime as operation and teaching of cadets..design and make of training TV set having thirty major faults and can do three faults in the same time controlled by low voltage with a separate fault panel and about two meter long with testing points and full of waveforms and voltage ...private workshop of relevant fields for about twenty years...