On the other hand, they may give off unhealthy fumes and produce unpleasant odours.
A flue should in all cases be provided to carry off the fumes of the fuel.
The gas fumes strongly in moist air, and it is rapidly dissolved by water, one volume of water at o° C. absorbing 503 volumes of the gas.
It fumes strongly in air, and does not attack glass.
A surfeit of mushrooms or the fumes of a charcoal fire have been assigned as the cause of death.