Issue 13 and Volume 63.

QUESTIONS AND ANSWERS Readers of Fire and Water Engineering are Invited to send in questions, which will be answered in the order in which they are received. Hazards in Various Factories. To the Editor: (a) What dangers are to be apprehended from fighting fires in grain elevators, places where chlorine gas is manufactured and stored and garages? (b) What are the hazards in an ink factory, kodak factory, fountain pen factory, and places where aluminum ware is manufactured? Respectfully yours, A. K. N. Y. F. D., New York, Feb. 23, 1918. Answer: (a) The principal danger in connection with fires in grain elevators is the susceptibility of grain to expansion when dampened. Where grain is in large bins or tank-like containers and is drenched with water it expands, exerting tremendous pressure on the walls of the container. Frequently the bins or containers are burst by this action. Heavy and quite…

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