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.
Benefits of Black Tea. Black tea is different from herbal tea in that it is more oxidized. It generally lasts longer than herbal varieties and has a stronger flavor. Common black teas are Earl Grey, English Breakfast and Masala Chai. Although black teas contain caffeine, the caffeine content of a cup of tea is much less than a cup of coffee.