Shaw, Frank Leslie, 1882- · Cleveland, O., The Survey Committee of the Cleveland foundation · leaf 73
rily donebefore the building is entirely closed in. Also, thevery nature of the work requires continual activity. 59 For the most part the materials used are not injuriousto health if reasonable precautions are taken andordinary habits of cleanliness observed. Electrical contracting 93 Lumber and… … Diagram 8.—Sections in outline represent average percentageof men employed and sections in black average percentage ofmen unemployed during the year in each of nine building in-dustries 60 Unless the precautions are taken there is alwaysmore or less danger in the plumbing and paintingtrades. In…
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