Home Â» Projects Â» Generic Design Â» Bow String Truss House Â» Bow Truss House The Bow Truss House (BTH) is appropriate for most climates. The truss is composed of a horizontal bottom chord and convex top chord, forming a gently curved roof with a pitch shallow enough to function as a living roof.
Black tea contains 2% to 4% caffeine, which affects thinking and alertness, increases urine output, and may reduce the symptoms of Parkinson's disease. It also contains antioxidants and other substances that might help protect the heart and blood vessels.
Black tea contains caffeine. The caffeine in black tea might block the affects of dipyridamole (Persantine). Dipyridamole (Persantine) is often used by doctors to do a test on the heart. This test is called a cardiac stress test.affeine in black tea can decrease the effects of phenobarbital. Taking black tea with phenobarbital might decrease the effects of phenobarbital and increase the risk of seizures in some people. The caffeine in black tea can stimulate the body. Phenylpropanolamine can also stimulate the body.