* Distinct configurations: fixed [V](/MSP/Materials/lumped-par-model-examples/gas-tank-models/Fig-9-48-Petrone16.png) and fixed [P](/MSP/Materials/lumped-par-model-examples/gas-tank-models/Fig-9-50-Petrone16.png).
+
* Distinct configurations used (fixed [V](/MSP/Materials/lumped-par-model-examples/gas-tank-models/Fig-9-48-Petrone16.png) and fixed [P](/MSP/Materials/lumped-par-model-examples/gas-tank-models/Fig-9-50-Petrone16.png)).
