Transportation Security Administration (US Department of Homeland Security) TSA: Technology Student Association: TSA: Tax Sheltered Annuity
MappÃ´, literally meaning the end of the law, was an end-times or apocalyptic notion which possessed some considerable currency in the late Heian period.
The term TPO stands for Thermoplastic Polyolefin. Believe it or not, TPO is actually in a broad family of rubber roofing materials. TPO is a blend of polypropylene and ethylene-propylene rubber. EPDM stands for Ethylene Propylene Diene Monomer. It is a synthetic rubber derived from oil and natural gas (ethylene propylene).