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.
TPO, PVC, EPDM. To the average buyer of roofing services, there appears to be a never ending march of an alphabet soup. If you are in the market for a new roof system or are responsible for maintaining an existing roof system, you have most likely heard of TPO membrane. TPO is a type of single ply roofing membrane. TPO is an acronym that stands for Thermoplastic Polyolefin. It is an abbreviated way of stating the primary chemical composition of the roof membrane.