[ Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking and/or supervision, emergency/life-saving and teaching apparatus and instruments, namely, surveying machines and instruments, cameras, central processing units for processing information, data, sound or images, nonlinear optical fibres, optical cables, optical apparatus comprised of a light source, one or more cameras and sensors, optical wave guides, glass fibre cables, cables ...