GOV.WALES uses cookies which are essential for the site to work. Non-essential cookies are also used to tailor and improve services. By continuing to use this site, you agree to our use of cookies.
You are here:
Noun, Masculine, Singular
profion stribed drochi
Prawf sy’n defnyddio darn arbennig o bapur neu blastig tenau i weld a oes cemegau penodol mewn wrin.