What Does Cal Mean In A Car

In automotive contexts, “CAL” most commonly refers to California emissions standards (e.g., a CAL-spec vehicle) or, less frequently, to calibration data in the engine control unit. This article explains both meanings, their origins, and their significance for vehicle owners and buyers.

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What Does 750 On Jewelry Mean

The number 750 stamped on a piece of jewelry indicates that the item is made of 18‑karat gold, containing 75% pure gold and 25% alloy metals. This hallmark is used internationally to denote gold purity and is often accompanied by additional marks that identify the manufacturer or country of origin.

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