This paper describes the development and operation of a small parts coating device in an electrophoretic manner. The cataphoretic coating process is nowadays highly desirable and generates a continuous coating against corrosion. The aim of the research is to find solutions or innovations to coat small parts in bulk. Small parts are inserted inside the device and painted in a cataphoretic manner. Painting is based on rotary device and random contact between small parts and cathode.

Some modern methods of surface contamination detection use the principle of luminescence for their function. This thesis aims at introducing the principle of the method that is available for the measurement of surface contamination, thesis deals with an innovative surface-detection device using UV-VIS luminescence spectroscopy. In the work is presented the industrial use of the detection of oil contaminants. Another specialized topic is the field of forensic practice - dactyloscopy, where the possible use of the principle of UV-VIS luminescence spectroscopy, the Recognoil device as a possible and effective method of ensuring dactyloscopic traces is proved.

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