42 Engineering services for scientific apparatus and instruments for measuring, recording, transmitting, transforming, monitoring, documenting, evaluating and reproduction of electric, electronic, optical and acoustic signals; engineering services for optoelectronic sensors, namely, light barriers, light scanners, light curtains and optical distance sensors; engineering services for cameras; engineering services for software for image processing; engineering services for software for measuring, recording, transmitting, transforming, monitoring, documenting, evaluating and reproduction of electric, electronic, optical and acoustic signals; engineering services for computer hardware, namely, interfaces for operating scientific apparatus and instruments for measuring, recording, transmitting, transforming, monitoring, documenting, evaluating and reproduction of electric, electronic, optical and acoustic signals; engineering services for computer hardware, namely, interfaces for operating optoelectronic sensors, namely, light barriers, light scanners, light curtains and optical distance sensors; engineering services for computer hardware, namely, interfaces for operating cameras; design and development of computers, computer hardware, and computer software; consultancy and information services regarding application and use of scientific apparatus and instruments for measuring, transforming, monitoring, documenting, evaluating and reproduction of electric, electronic, optical and acoustic signals; consultancy and information services regarding application and use of optoelectronic sensors, namely, light barriers, light scanners, light curtains and optical distance sensors; consultancy and information services regarding application, use, maintenance, installation and integration of software for image processing; consultancy and information services regarding application, use, maintenance, installation and integration of software for measuring, recording, transmitting, transforming, monitoring, documenting, evaluating and reproduction of electric, electronic, optical and acoustic signals