Tank calibration inspection is a critical process in industries that store and handle large volumes of liquid products, such as oil and gas, chemicals, and food and beverage. This inspection ensures that the measurements of tank volumes are accurate and reliable, which is essential for inventory control, custody transfer, and regulatory compliance. The calibration process involves determining the exact volume of a tank at various levels, accounting for factors such as tank shape, structural deformations, and temperature effects. By creating an accurate tank strapping chart or calibration table, companies can significantly reduce errors in volume calculations and ensure operational efficiency.