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.
Voice or SMS may also be used as a channel for out-of-band authentication. There are also apps that provide one time password tokens, allowing the phone itself to serve as the physical device to satisfy the possession factor. Google Authenticator is a two-factor authentication app. To access websites or web-based services, the user types in his username and password and then enters a one-time passcode (OTP) that was delivered to his device in response to the login.