Description: the identification number from the GS1 system with which the trading units can be uniquely identified worldwide; Name: Global Trade Item Number
Description: internationally unique and unambiguous article number for products and services (Global Trade Item Number); Name: GTIN
Description: proportion of pump available power input, pa, which is delivered as pump power output, pu, after satisfying the losses resulting from friction due to the relative motion of internal surfaces and internal leakage; Name: hydraulic efficiency