31.   The hospital has only just started to keep a record, but so far they have treated six people for this type of injury.

32.   The hostesses keep a record of what they eat, and the drinking is easily accounted for.

33.   The scientists are keeping a record of radioactive levels in the area.

34.   There are strict rules about keeping tax records.

35.   There was a chart on the wall that gave some measure of this by keeping a record of math and spelling grades.

36.   This illustrates the necessity of keeping accurate records of your work.

37.   Triangulations on distant hills were attempted, weather records kept, and there was an astronomical observatory.

38.   You should keep written records of all business expenses.