Metal clay was created in 1990.
It is safe, the only issue I have is that the metal is going to expand and the clay will shrink. This may cause cracks in the clay.
Clay Records was created in 1980.
Minnesota Clay was created in 1965.
Clay Davis was created in 2002.
The Clay Marble was created in 1991.
Human Clay was created in 1998.
Clay Paky was created in 1976.
Ingrailed Clay was created in 1775.
Jimmi Clay was created in 2005.
Clay Telecom was created in 2000.
Clay - moth - was created in 1787.
Clay Quartermain was created in 1967.