51.   They remove surface materials and do not get up into the crowns.

52.   They could take a cell from an eight-cell embryo, for example, and merge it with an egg whose genetic material had been removed.

53.   To clone, scientists take a cell from an adult animal and slip it into an egg whose own genetic material has been removed.

54.   When someone asked him whether he would alter his play to remove any material that could be deemed unpatriotic, like his anti-embargo stance, he also said no.

55.   You have to use a chisel to remove crumbly material from the edges of the hole.

56.   A church entity sued the Tanners, who removed the material from their Web page after a federal district judge issued a temporary restraining order.

57.   All the archaeological material has been removed from the site for study, he said.

58.   City crews said the spigot could not be turned off until the fire was extinguished, hazardous materials had been removed and the tunnel walls had been certified safe.

59.   City crews said the leak could not be stopped until the fire was extinguished, hazardous materials had been removed and the tunnel walls had been certified safe.

60.   Dr. James Andrews removed loose material from the joint in the procedure in Birmingham, Ala., the team said in a statement.