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Further work should be performed to examine different fuels, fuel loadings, moisture content, atmospheric conditions (external heat flux, ambient temperature and humidity), wind speeds, cigarette brands, cigarette drawdown length, cigarette orientation relative to the wind, cigarette depth within the fuel bed, etc
Keywords specific to this image: Smoke, Smoking Vintage Advertising
As you say, Greece is a nation with high smoking rates
While it is legal to transport them, airport security could potentially confiscate these items if they are deemed suspicious
The main risk to this technical monetary reconfiguration is not monetary, but political