Burning Off (MMS-ADV-73) – Multi-Message SignThe Burning Off (MMS ADV 73) multi message sign is a 600 600 millimetre traffic yellow panel designed to warn motorists of controlled burning operations in progress. Commonly used in regional and rural areas by councils, contractors, or fire authorities, this sign provides clear advance notice for drivers to slow down, stay alert, and expect smoke or reduced visibility near the roadside. Manufactured in compliance with Western Australia Government