CPC C03B 27/012 (2013.01) [C03B 27/0417 (2013.01); C03B 35/16 (2013.01); C03B 27/044 (2013.01); G01B 11/046 (2013.01); G01N 21/86 (2013.01); G05D 23/00 (2013.01)] | 15 Claims |
15. A method according to claim 14, wherein the adjusting includes controlling the electric resistor of the heating furnace, or controlling the motor of the convection blower, or controlling the adjustment valve of the convection system.
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