 | Wisconsin - 1913 - 266 หน้า
...schools, or in other educational institutions, in hotels, department stores, where, the public are invited, unless the floor is first sprinkled with water, moist sawdust, or other substance so as to prevent the, raising of dust. 2. Any person, firm or corporation owning, or having the niaiHH/emrnt... | |
 | Wisconsin - 1913 - 1472 หน้า
...private schools, or in other educational institutions, in hotels, department stores, where the public are invited, unless the floor is first sprinkled with water, moist sawdust, or other substance so as to prevent the raising of dust. 2. Any person, firm or corporation owning, or having the management... | |
 | 1913 - 144 หน้า
...a law (Chapter 274, Laws of 1913) making it unlawful to sweep public buildings (including schools) unless the floor is first sprinkled with water, moist saw-dust or other substance so as to prevent raising dust. The same legislature also enacted a law providing that liit shall be... | |
 | Wisconsin. State Board of Health - 1914 - 404 หน้า
...cars, public buildings, schools, hotels, department stores or other places to which the public are invited unless the floor is first sprinkled with water, moist sawdust or other substance so as to prevent the raising of dust. This law does not apply where vacuum cleaners or dustless brushes... | |
 | United States. Public Health Service - 1915 - 556 หน้า
...private schools, or in other educational institutions, in hotels, department stores, where the public are invited, unless the floor is first sprinkled with water, moist sawdust, or other substance so as to prevent the raising of dust. "2. Any person, firm, or corporation owning, or having the management... | |
 | Wisconsin - 1915 - 216 หน้า
...private schools, or in other educational institutions, in hotels, department stores, where the public are invited, unless the floor is first sprinkled with water, moist sawdust, or other substance so as to prevent the raising of dust. 2. Any person, firm or corporation owning, or having the management... | |
 | Wisconsin. State Board of Health - 1917 - 24 หน้า
...Jan. 31, 1917. Amendments published Feb. 8, 1917). (b) Chapter 274, Laws of 1913, makes it unlawful for any person, firm or corporation to sweep, or permit...prevent the raising of dust. When vacuum cleaners, or — 20 — properly filled reservoir dustless brushes are used, the sprinklj or use of moist sawdust... | |
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... to prevent the raising of dust. When vacuum cleaners, or properly filled reservoir dustless brushes are used, the sprinkling or use of moist sawdust is not required. 