Speaker with integrated TPCD. Martin Turesson, head of Thin-Ply Carbon Diaphragms (TPCD) at Composite Sound, adds that the TeXtreme material gives Composite Sound the ability to “focus on engineering ...

A popular Roman writer advocated abstinence. "Womb veils," a 19th-century phrase for diaphragms cervical caps, and condoms, often made from linen or fish intestines, have been in use for centuries.