Explanatory notes
… or 85.30. 8531.10 ‑ Burglar or fire alarms and similar apparatus 8531.20 ‑ Indicator panels incorporating … ( heading 85.12 ) and that for traffic control on roads, railways, etc. ( heading 85.30 ), this heading covers all … hooters, etc.) or using visual indication (lamps, flaps, illuminated numbers, etc.), and whether operated by hand …