Quick Answer. Cardiopulmonary resuscitation, or CPR, courses are two to five hours long and the certification lasts for two years, states American Red Cross. CPR is an emergency technique used to attempt to save a personâs life if he has stopped breathing or if his heart has stopped beating, says Mayo Clinic. Continue Reading.
This feature is not available right now. Please try again later. In 1950, Zenith introduced the Cobra-Matic variable speed automatic record changer -- the first and only changer that plays any speed record now made or yet to come, 10 rpm to 85...with two simple controls a six-year-old can operate..
Ford-O-Matic was the first automatic transmission widely used by Ford Motor Company. It was designed by Borg Warner Corporation and introduced in 1951 model year cars. The three-speed Ford-O-Matic evolved into the MX and FX or Cruise-O-Matic transmissions in 1958 and the FMX in 1968. This line continued in production until 1980, when the AOD was introduced.