Darnau o rwyd fetel tyllau bach - gorau po fwyaf, imi eu ffitio nhw at ei gilydd – i gadw dail o danciau dwr ac I gadw llygod mawr o finiau compost.
Pieces of metal mesh, please, with small holes, but the more and the larger the better, so they can be fitted together if necessary – to keep leaves out of water tanks and rats out of compost sbins.