Whilst these areas may not be occupied area, they are well ventilated spaces and may not prove a significant risk regarding CO poisoning, we want to capture your views.
Er efallai nad oes pobl yn byw yn y mannau hynny a’u bod wedi’u hawyru'n dda ac efallai nad oes perygl mawr o wenwyno gan CO, rydym am glywed eich barn amdanynt.