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In question 28 on the 1990 census forms, we asked people to write in the name of the company or employer for which they worked (28a) and the type of activity engaged in by the company or employer (28b), and to mark the broad industry sector of the company or employer (28c).
In question 29, we asked people to write in the kind of work they did (29a) and their most important activities and duties (29b).
Question 30 asked people to mark the type of ownership of their employer or company named in question 28. The information on class of worker referred to the same job as that in the industry and occupation questions.
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