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International or global standards are agreements on common technical approaches that are used world-wide.

Typical examples are:

• Internet standards — HTTP, SMTP, HTML, XML, etc.
• SI units of measure
• Electrical power — 110V and 220V
• A and AA battery sizes
• GSM standard for mobile/cell phones
• A0/A1/A2/A3/A4 paper sizes

The International Organization for Standardization (ISO) is the main global standards organization.