Defense industry 3 Ordnance industry Armories 2 Women 2 Boat & ship industry 1 Bombs 1 Bottle industry 1 more ... Chemical industry 1 Defense industry strikes 1 Economic & industrial aspects 1 Employees 1 Employment 1 Firearms industry 1 Guards 1 Hat trade 1 Industrial buildings 1 Leather industry 1 Lumber trade 1 Machine guns 1 Machinery 1 Office buildings 1 Optical devices 1 Petroleum industry 1 Railroad freight cars 1 Railroads 1 Tanks (Military science) 1 Telephone operators 1 Teletypewriters 1 Textile industry 1 War work 1 Warships 1 World War, 1939-1945 1 less ...