deletions | additions       diff --git a/layout.md b/layout.md  index 61b2e57..3d5544a 100644  --- a/layout.md  +++ b/layout.md 
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figures/dc conductivity1/dc conductivity1.png  subsection_AC_Conductivity_If_the__.tex  figures/ac conductivity1/ac conductivity1.png  However_experimentally_no_threshold_voltage__.tex However_experimentally_no_threshold_frequency__.tex