The house was cleaned regularly, so any prints should be new ones.
A saddle should be cleaned regularly if it used for work.
New Yorkers have a right to expect all streets to be cleaned regularly.
Due to this, the feet should be cleaned and inspected regularly.
Its long ears can harbor infection and should be cleaned regularly.
The joints must be cleaned regularly or they will cease to function.
One of their jobs is to regularly clean the turnstile slots.
Some meters need to be cleaned regularly and have their batteries changed periodically.
We never wait more than 60 seconds for one of the (regularly cleaned) Portaloos.
They also need to have their ears cleaned regularly, or ear infections might occur.