Time spent Micro (3 to 9) (a) Small (10 to 49) (b) Medium (50 to 249) (c) Large (250+) (d)
Amser a dreuliwyd Micro (3 i 9) (a) Bach (10 i 49) (b) Canolig (50 i 249) (c) Mawr (250+) (d)