51.   Many are now being transferred to acetate to keep them clean and preserved.

52.   Ms. Dykstra said the restrooms would be staffed by attendants to insure that they are kept clean and to discourage loitering.

53.   Gloves need to be kept clean.

54.   Now a principal can demand that classrooms be kept clean, even if the custodian has to sweep twice a day.

55.   Nor should it, if it can keep its nose clean.

56.   Once the bricks are installed on sand or stone dust, there is no need to keep them clean because Nature will do that for you.

57.   Otherwise, the polluters with permits could end up bearing the entire cost of keeping waterways clean.

58.   People opposed to the hunt maintain that the township had not installed the right kind of reflectors, and had failed to keep them clean.

59.   Remember that a custom closet is a selling feature of a home, so keep it clean and in good repair.