Although Romano cheese is traditionally made in Italy from ewe's milk (Pecorino) the following recipe is prepared for a 2 gallon version of cows milk (which would technically be called Vacchino Romano).
Strength is usually tested by measuring permanent deformation of the container. Hydrostatic testing is the most common method employed for testing pipes and pressure vessels. Using this test helps maintain safety standards and durability of a vessel over time.
How High Pressure Cylinders Were Tested. Testing was conducted in accordance with 49CFR and Pamphlet C-1 of the Compressed Gas Association (CGA,C-1), Methods for Hydrostatic Testing of Compressed Gas Cylinders. We assume the reader is familiar with the requirements of CGA-1, or has some access to the standard.