| http://www.w3.org/ns/prov#value | - The following is the extract from Sec VIII Div 1 on the pressure boundary: U-1(e) In relation to the geometry of pressure containing parts, the scope of this Division shall include the following: U-1(e)(1) where external piping; other pressure vessels including heat exchangers; or mechanical devices, such as pumps, mixers, or compressors, are to be connected to the vessel: (a) the welding end conn
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