Hard coal is a solid fuel, which in itself is a clear distinction from the other three fuels, being liquids. The course and conditions of solid fuel combustion … read on
Monthly Archives: November 2014
Insulation materials for the furnace
The tiled stove is a pleasant, nice source of heating. However, it gives off its heat not only in the places we require, but it heats in virtually all directions. Also then, when warm air … read on