Sarpaneva worked intermittently with metal , wood , textiles , ceramics , and porcelain ( china ) .
Glass remained Sarpaneva 's main medium Sarpaneva 's his earliest awards for Sarpaneva 's of his life .
Sarpaneva worked intermittently with metal , wood , textiles , ceramics , and porcelain ( china ) , while glass remained his main medium from his earliest awards for much of his life .