Description: Indicates what the customs tariff number is intended for (e.g. import or export); Name: Use of the customs tariff number
Description: Indicates what the tariff number is for (for example, import or export); Name: Use of customs tariff number
Description: amount of the absolute value of the total head above the head, equivalent to the vapour pressure of the liquid at the particular temperature, with reference to the NPSH datum plane; Name: net positive suction head