TPO Roof Replaces Leaking Inverted Roof-Membrane Assembly System. The problematic roof was an inverted roof-membrane assembly (IRMA), which consisted of a built-up membrane installed over a structural concrete slab and topped by insulation.
Deep vein thrombosis (DVT) is a medical condition that occurs when a blood clot forms in a deep vein. These clots usually develop in the lower leg, thigh, or pelvis, but they can also occur in the arm.
DVT is a serious medical condition caused by blood clots in the legs moving up to the lungs. DVT is an abbreviation for 'deep vein thrombosis'. [medicine] The results from one of the largest studies yet carried out leave little doubt that DVT is caused by flying.