9 Scientific, surveying, photographic, cinematographic, optical, weighing measuring, signalling and regulating apparatus and instruments; fire-extinguishing apparatus; enlarging apparatus; vehicle breakdown warning triangles; time switches; spirit levels; safety vests; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity including plugs, adaptors, fuses, controls, mains lines, mains cables, wiring accessories, panels, transformers, extension cords with socket, extension cords, coils, wiring, junction boxes, terminal strips, terminal blocks, electric flush-mounting boxes, sockets and other contacts (electric connections), flush sockets, covers for electric outlets, electric switches, moisture-proof switches, child safety devices for sockets, multiple socket strips, extension cables, cable drums; safety shoes and safety boots; knee pads for hand-crafted work, to protect the knees; measuring tapes; welding electrodes; magnetic strips