traps the heat along the side to get better efficiency. If i was more into this I would of drawn it like benjamin franklins wood burning furnace he invented
traps the heat along the side to get better efficiency. If i was more into this I would of drawn it like benjamin franklins wood burning furnace he invented
traps the heat along the side to get better efficiency. If i was more into this I would of drawn it like benjamin franklins wood burning furnace he invented