(1) One triangle
(2) Triangles containing one or more letters
(3) Quadrilaterals containing one or more triangles or lines forming an angle
(4) Quadrilaterals containing one or more letters
(6) One quadrilateral
(1) - Scientific, nautical, geodisical, photographic, optical, weighing and measuring devices, namely, weather barometers, electromagnets, thermometers, photometers, photographic cameras, flash mechanisms for cameras, camera filters, camera lens, movie and video cameras, microscopes, eyeglasses, eye protective glasses, electric and electronic scales, electric and electronic alarm systems, anti-theft, burglar and tire alarm systems, water level and gas leakage and carbon monoxide warning indicators, thermostats, electric buzzers; motion detectors, watches and clocks, electric wires for the conduction of electricity, distributor cables, electrical distributor mains, caps and boxes, electric transformers and accumulators, electric and electronic relays, intercoms; batteries, sound and images magnetic registers, video recorders, radios, telephones, telephone answering machines, magnetic barcode readers, computer chips and integrated circuits for domotic services, blank video cassettes, blank DVD discs and blank CD discs, pre-recorded video cassettes, automated teller machines, calculators, data processing mechanisms, computer software for the control of the operation of electrical devices, computers, fire extinguishers, electrical sockets, lamps, light bulbs, lanterns, fluorescent lights, steam heaters, electric radiators, electric water heaters, electric air heaters, electric stoves, electric hairdryers, electric vaporizers, saunas, electric hot plates and cookers, electric freezers for domestic use, electric wind machines, electric fans for the drying of hands, cooking fume removal hoods, locks, thermostatic valves for toilets.
(2) - Electrical and mechanical switches, luminous and control switches, socket plugs, electrical connectors; socket-outlets, telephone socket-outlets, TV-R socket-outlets, dimmers, fuses, cover plates for mounting boxes, electric apparatus for commutation, namely, devices for reversing the direction of an electrical current; digital alarm clocks, digital meteorological stations, audio visual teaching apparatus, namely, audio visual recorders, tape recorders, video tape recorders, sound recorders, video projectors, sound processors, video monitors, video tuners, computer audio visual processing software; audio and video receivers, sound transmitters, message transmitting modules, speakers, electrical control panels, electric smoke detectors, electric gas detectors, miniature circuits breakers, terminal strips.