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Are they likely to be: a combustion of CFOs; an alarm of CFOs; a conflagration of CFOs; a flashpoint of CFOs; or a hot zone of CFOs?
Whatever the term, four serving or past chief fire officers gathered to celebrate the Millers Flat and Ettrick Volunteer Fire Brigade's 50th anniversary at Millers Flat on Saturday.
Rod Peirce, of Roxburgh, was the first CFO for the brigade, which was launched in 1967.
He stepped down in 1979 and Mervyn Alexander, of Millers Flat, took over until 1997. He is still one of the brigade's operational support officers.
Wes Reichel, of Millers Flat, was CFO from 1997 to 2008, and then current CFO Brian Timpson, also of Millers Flat, took over.
Mr Reichel is the brigade's other operational support officer.
Mr Timpson said he was pleased with the celebrations for the half century of service to the community, which were held at the recently refurbished fire station.
There were several foundation members or their wives attending, as well as representatives from St John.
''We have more than 80 people here,'' Mr Timpson said.
''We will also have a barbecue for the employers of the volunteers and sponsors on Sunday.''
In addition to a social get-together and a formal dinner on Saturday, the brigade took part in a noisy parade around the township.
The brigade's engines and tankers and the St John ambulance were driven around the block with past and present members either walking according to the decade in which they served, or riding in three-wheeled motorcyles or classic cars.
Mr Timpson would like to encourage more people to become members of the brigade.
''We need more members and that is ongoing, to replace those of us who are going out the other end.''
-By Yvonne O'Hara