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spec: Tex2mail is a perl script to convert TeX files into plain text files : various mathematical symbols ( sums , products , integrals , sub / superscripts , fractions , square roots , ... Other criteria : Various criteria , differing in sensitivity and specificity , have been used to diagnose LVH , as summarized below . There was unity and life and the exquisite love that filled my being was unbounded . Huffing involves placing the volatile substance ( most commonly some type of chemical , eg , butane found in spray paint , acetone found in nail polish remover ) on a rag or in a closed container ( eg , soda can , plastic bag [ termed `` bagging '' ] ) , placing the rag over the nose and mouth , and breathing deeply to cause mood-altering effects .