31.   Such reports are released under carefully controlled conditions because they can affect prices on commodity markets.

32.   The center will focus on adapting new technologies under environmentally controlled conditions.

33.   The USDA researchers expanded their ragweed study this summer by planting the weed in controlled conditions outdoors in Maryland.

34.   We can produce truly fresh shrimp grown under controlled conditions.

35.   She said the outer cylinder would be opened under controlled conditions at an Edinburgh laboratory, probably on Monday.

36.   The bombs were later detonated under controlled conditions.