Air quality measurement apparatus, namely, particle counters; Nanoparticle size analyzers; Optical image creating apparatus; Optical inspecting equipment; Optical films for displays, namely, a thin film transistor for use in OLED or LED screens; Particle generators in the nature of particle accelerators; Optical measurement apparatus in the nature of computer and electronic hardware and software for human and other objects detection, recognition and tracking using input, information and data extracted from image and other types of sensors; Particles and foreign substances detectors for industrial purposes, namely, detectors used to detect particles and foreign substances in a cleanroom; Particles and foreign substances analytic apparatus for industrial purposes, namely, analytic apparatus used to analyze particles and foreign substances detected in a cleanroom; Particles and foreign substances detectors for laboratory use, namely, detectors used to detect particles and foreign substances in a cleanroom; Particles and foreign substances analytic apparatus for laboratory use, namely, analytic apparatus used to analyze particles and foreign substances detected in a cleanroom; Conductive films for detecting particles and foreign substances for industrial purposes, namely, electric conductors in the nature of films used to check the contamination level of a cleanroom by collecting particles and foreign substances existing in the cleanroom and checking the number, size and distribution of the collected particles and foreign substances using the naked eye and an optical device; Conductive films for detecting particle and foreign substances for laboratory use, namely, electric conductors in the nature of films used to check the contamination level of a cleanroom by collecting particles and foreign substances existing in the cleanroom and checking the number, size and distribution of the collected particles and foreign substances using the naked eye and an optical device