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Winter wear items such as gloves , stocking caps , scarves , fleece pullovers , umbrellas , and other gift items such as books and CDs , are ideal for our gift bags . Like Yahoo 's service , other major messaging services such as America Online 's AOL Instant Messenger and Microsoft 's MSN Messenger are proprietary networks that cannot communicate with competing systems . Contains MetaFont sources for fonts of uppercase script letters for use as symbols in scientific and mathematical typesetting , in contrast to the informal script fonts such as that used for the ` calligraphic ' symbols in the TeX math symbol font . Simulated gas species concentrations at the bed surface , ignition flame front rate , and bed temperature are in good agreement with measurements at different operating conditions such as primary air-flow rate , pre-heating of the primary air , oxygen concentration , moisture content in straw , and bulk density of the straw in the fixed bed . - Develops skills in computing and information management and applies these skills to real-world chemical problems such as computer-aided drug design .