Comments on: The Darkest Days of the Year The EPA Blog Tue, 28 Jul 2015 21:52:05 +0000 hourly 1 By: ctchimney Tue, 09 Apr 2013 06:15:53 +0000 The use of chimney reduce your stress by a very hot column involving petrol to create a draught along with sketch oxygen above the very hot coals or maybe wood enabling extended combustion.