51.   Experimenting on his own two children, he tickled the infants only while wearing a mask, and never in playful situations.

52.   Face masks must be worn to combat the acrid stench and airborne dust particles throughout the area.

53.   Even though all travelers must be vaccinated in advance against diseases like meningitis, many arrive wearing surgical masks.

54.   For a time the tigers were deterred when people who went into the forest wore masks on the backs of their heads.

55.   Fifteen months into self-rule, Gaza wears two masks.

56.   For several weeks early in the season after his own facial surgery, McKie had to wear a mask like the one Jones has now.

57.   For the next three days, anyone wearing a mask in this city or carrying gasoline in a portable container will go to jail.

58.   Goalies might start wearing hockey masks.

59.   Garfinkel thinks they are wearing masks, evidence for which has been found at other sites.

60.   Hastert wore a mask of exhaustion.