61.   Remember to keep it clean.

62.   So they keep it clean here.

63.   Specks of dirt or any other contaminants can foul the chips, so the plants must be kept very clean.

64.   Spurrier insists that his defense will keep it clean as they try to make life tough for Manning.

65.   The adult program not only keeps parklands clean, but saves the county money and jail space.

66.   The house has to be kept scrupulously clean because all the children have vulnerable immune systems.

67.   The house should be kept clean, and carpets and upholstered furniture should be eliminated because they collect dander.

68.   There are no instructions on how to clean it and keep it clean.

69.   There are a lot of similarities, not so much in their music but in their attempts to keep themselves clean.

70.   Then wash it with soapy water four or five times a day to keep it clean and prevent the possibility of infection.