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Technical requirements: The total weight when filled to a height of 20 inches from the top should be 18,500 pounds, excluding the heating coils and insulation. Material: A-285, grade “C” steel, electrically welded in accordance with ASME Code Part U69 and Ohio State Code. The internal members must be continuously welded around all edges. There is no working pressure; the vessel is subject to partial vacuum. It must be airtight when filled with water. The test pressure for water filling is 15 P.S.I.
You don’t even know where the punctuation is; give it a try. Total weight: 18,500 pounds (8,325 kilograms), excluding the heating coils and insulation. The phrase “FILLED TO 20” INCHES OF TOP is unclear. Material: A-285-C. Welding is carried out in accordance with ASME standard U69 and Ohio state standards. Internal components require continuous welding. Work pressure: None (presumably normal pressure). It may be affected by local negative pressure. The hydraulic pressure test must show no leaks, with a test pressure of 15 PSI (approximately 0.1 MPa, or 1 kilogram of pressure)