QUESTION: Fix punctuation: That field is called a primary key
ANS: That field is called a primary key,

QUESTION: Fix punctuation: In the late 60s the skull was examined by the HewlettPackard technology company in their laboratory where they test crystals for their computers
ANS: In the late 60s, the skull was examined by the Hewlett-Packard technology company in their laboratory where they test crystals for their computers.

QUESTION: Fix punctuation: Longterm trends Financial markets often move in visible longterm trends Although currencies do not have specific temps of annual growth but business cycles do make themselves felt Cycle analysis looks at longerterm price trends that may rise from economic or political trends Buy on rumors sell on fact This market truism can apply to many financial situations
ANS: Long-term trends: Financial markets often move in visible long-term trends. Although currencies do not have specific temps of annual growth, but business cycles do make themselves felt. Cycle analysis looks at longer-term price trends that may rise from economic or political trends. "Buy on rumors, sell on fact": This market truism can apply to many financial situations.

QUESTION: Fix punctuation: the units are at least 4080 m
ANS:
the units are at least 40-80 m