Schick traces its origins to the inventive U.S. Army Lieutenant Colonel Jacob Schick. He retired from the military in 1910, but then returned to service at the start of World War I. The manufacture of modern razor blades is a highly complex process involving large production volumes while maintaining high consistency in the final product. To obtain the very best in shaving products, it is essential that each process be carried out within closely specified limits. The Shaving Products Group uses various technologies to assemble its shaving products. In the most common method, each component is placed in a fixture in such a way as to accurately locate it and allow for the placement of the next component upon it.