31.   Another area of expertise is the repair of combustion chambers, used in both aviation and industrial gas turbines.

32.   Antibiotics and hormones used in human drugs have been detected in drinking water and our rivers.

33.   Apart from any other objection, a different classification would be reached if the characters were used in a different sequence.

34.   Articulated buses have been used in Europe for many years.

35.   As this is the case, part of the research will examine various experimental techniques used previously in studies on word recognition.

36.   Asbestos was once widely used in the building industry.

37.   Because lavender oil is versatile and cheap, it is the most used in aromatherapy.

38.   Because the molds used in making these cheeses have been long used, it is surmised that they are safe.