Explosion-proof acoustic signalers, namely, theft alarms, loudspeakers, sirens; safety equipment, namely, explosive-proof rotating beacon lights; explosive-proof optical signaling devices, namely, lights, strobe lights, signaling lights, and rotating mirror lights, all in the nature of emergency warning lights; parts, fittings, and components for all the aforesaid goods; illuminated traffic posts barriers that are set at intervals to exclude motor vehicles from an area; Metal illuminated traf...