21.   Once this new, minimally invasive technique is perfected, patients could go home one hour after it is completed, making it an outpatient procedure, Isner said.

22.   Porcelain doll maker perfects the techniques of making realistic-looking black dolls and teaches skills to others.

23.   Queen Elizabeth, who hates tennis, perfected a technique of sleeping behind dark glasses while seated regally upright.

24.   Scientists plan to conduct tests outside the lab on sample letters to perfect techniques to open the letter.

25.   She watched roller derby shows on television and then perfected her technique in the basement of her home.

26.   Until tissue-preservation techniques are perfected, only owners of live pets need apply.

27.   But he cautioned that perfecting the technique for humans may take a decade.

28.   Mrs. Ward said she perfected her technique by yelling at her husband and children.

29.   Ray liked what he saw and went on to perfect the technique.

30.   Some scientists say human cloning is more easily prevented at the research stage, before techniques have been perfected.