The service is listed here because it has been associated with the %1 (%2) file type and files of type %3 (%4) are per definition also of type %5.
Rhestrir y wasanaeth yma gan ei bod yn gysylltiedig efo' r math ffeil% 1 (% 2), a mae ffeiliau o' r math% 3 (% 4) hefyd o fath% 5 trwy ddiffiniad.