\beamer@endinputifotherversion {3.10pt} \select@language {english} \beamer@sectionintoc {1}{ANGEL Pressure Vessel Physical Design and Gas System}{2}{0}{1} \beamer@subsectionintoc {1}{1}{\bf OVERALL CROSS SECTION}{2}{0}{1} \beamer@subsectionintoc {1}{2}{O-ring vs. Helicoflex (recommended design)}{3}{0}{1} \beamer@subsectionintoc {1}{3}{PMT ENCLOSURE CROSS SECTION}{7}{0}{1} \beamer@subsectionintoc {1}{4}{SAPPHIRE WINDOW SEALING}{8}{0}{1}