standard time zone in North America

Deductions

• measurement standard is for example standard time zone in North America ⇐ (standard time zone in North America is a measurement standard), (is a is inverse of is for example)
• standard time zone in North America is a measurement standard ⇐ (national measurement standard is subclass of measurement standard), (standard time zone in North America is a national measurement standard)
• national measurement standard is for example standard time zone in North America ⇐ (standard time zone in North America is a national measurement standard), (is a is inverse of is for example)
• standard time zone in North America is for example Pacific Time Zone ⇐ (Pacific Time Zone is a standard time zone in North America), (is a is inverse of is for example)
• standard time zone in North America is for example Eastern Time Zone ⇐ (Eastern Time Zone is a standard time zone in North America), (is a is inverse of is for example)