Women working in Welding Department, Lincoln Motor Company, Detroit, Michigan. During World War I, women started working jobs that were traditionally filled by men. These jobs included police officer, bank clerk, ticket seller, elevator operator, chauffeur, street car conductor, railroad trackwalker, section hand, locomotive wiper and oiler, locomotive dispatcher, block operator, draw bridge attendant, and employment in machine shops, steel mills, powder and ammunition factories, airplane works, boot blacking and farming.