Loudspeakers; Patch panels for housing electrical switches; Alarm installations; Safety traffic cones; Traffic-light apparatus; In-ground traffic lights being signaling devices; Signal mirrors; Electric warning lights; Strobe lights being warning beacons; Vehicle breakdown warning lamps; Vehicle breakdown warning triangles; Fire alarms; Signaling lights; Whistle alarms; Beacons, luminous; Acoustic sound alarms; Alarm bells, electric; Warning bells; Anti-theft alarms, other than for vehicles; ...