French Federation of Speleology 10 years, named the "Bulletin of the CNS". Simultaneously, the SSF ceased publication of its periodical bulletin to provide its official information bulletin in the new "CNS". From 1952, cave training courses were organised in partnership with the Ministry of Youth Affairs and Sports. From 1953, Guy Lavaur organised cave diving activities. In conjunction with the Fédération nationale de sauvetage (National Rescue Federation), a certificate of first degree fitness was created in 1954. The first International Congress of Speleology was held in Paris from 7–12 September 1953 under the patronage of the Minister of National Education, as well as the
The Principles of Scientific Management only be realized after a motion and time study by a competent man. While there are perhaps "forty, fifty, or a hundred ways of doing each act in each trade", "there is always one method and one implement which is quicker and better than any of the rest". In this section, Taylor explained his principles of scientific management. He starts by describing what he considered the best system of management then in use, the system of "initiative and incentive". In this system, management gives incentives for better work, and workers give their best effort. The form of payment is practically