innermost zone this on consists of unburnt wax vapour given off by the molten wax it is the coldest part of the film middle zone on Luminous zone and this is on a partial combustion of wax vapour takes place with the Liberation of lot of energy this energy parsley decomposers the wax vapour into carbon particles in outermost zone or non luminous zone it is a zone of complete combustion of wax papers and carbon particles
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