Flames spouting from a gas main severed by an enemy bomb may be quickly extinguished by ramming into the broken main a special plug fitted on the end of a long pole. More than 2,000 volunteers are being trained by the Brooklyn, N. Y., Union Gas company for this sort of emergency work. The men wear asbestos hoods and gloves and are provided with ramrods and plugs, which have a rubber washer that fits tightly in the pipe.