CGA Fitting Reference. A CGA fitting is the standardized system for the attachment of a compressed gas cylinder to the required regulator or transfer line. Examples of CGA fittings would be CGA-580 for Non-flamable, Non-oxidizing gasses such as Nitrogen, Argon, or Helium. CGA-590 is used for compressed air and CGA-326 is used for Nitrous Oxide.
Google Authenticator is a mobile security application based on two-factor authentication (2FA) that helps to verify user identities before granting them access to websites and services.
1 Delivered to your phone or generated by the Google Authenticator App. 2  You don't have to remember it, because you can get a new verification code each time you need one.  If you own an Android device, you can also generate codes through Google Settings, even if your device is offline.