1. The surface used to Measure the Ament of A Product available is Called a Meter. 2. The Measure of the Amount of A Product Available is Called a Quantity. 3. The Measure of the Amount of A Product Available is Called a Quantity. 4. The Measure of the Amount of A Product Available is Called a Quantity. 5. The Measure of the Amount of A Product Available is Called a Quantity. 6. The Measure of the Amount of A Product Available is Called a Quantity. 7. The Measure of the Amount of A Product Available is Called a Quantity. 8. The Measure of the Amount of A Product Available is Called a Quantity. 9. The Measure of the Amount of A Product Available is Called a Quantity. 10. The Measure of the Amount of A Product Available is Called a Quantity. 11. The Measure of the Amount of A Product Available is Called a Quantity. 12. The Measure of the Amount of A Product