Disgrifiad
Paramedrau technegol
Stribed carped proffil alwminiwm rhwng teils a stribed carped trothwy ymyl carped/carped rhwng y sgwâr a'r carped / atal un stribed carped ffatri alwminiwm rhwng y sgwâr a'r carped
Stribed carped proffil alwminiwm rhwng teils a stribed carped trothwy ymyl carped/carped rhwng y sgwâr a'r carped / atal un stribed carped ffatri alwminiwm rhwng y sgwâr a'r carped