What does TFE stand for

ohohitsmagic08

Full Member
Jul 14, 2009
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  1. Pre-Dental
Hey,
Sorry to make such a mindless thread, but I dont know what TFE stands for. I know its on the PAT section, but I cant seem to figure out what it is? I saw an example problem and I wasn't really sure what it was trying to ask.. or what the lines meant
 
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