| 1926 - 434 стор.
...railway stations, including their waiting rooms, lunch rooms, restaurants, wash rooms, and toilets, shall be kept in a clean and sanitary condition at all times, to be insured by mechanical cleaning at regular intervals. Cleaning Regulation 445. All waiting rooms... | |
| Engineers' Society of Pennsylvania - 1914 - 764 стор.
...covered with paper, nor with any substance that cannot be thoroughly cleaned. Walls, ceilings, and floors shall be kept in a clean and sanitary condition at all times. All domestic animals shall be excluded. Damp sweeping, damp dusting, and frequent scrubbing and washing... | |
| Montana State Board of Health - 1927 - 96 стор.
...pleasure resorts shall be provided with separate adequate toilet facilities for each sex, said toilets shall be kept in a clean and sanitary condition at all times. PROTECTION OF PUBLIC WATER SUPPLY. Chapter 203 Political Code Revised Codes of Montana. Section 2641.... | |
| United States. Public Health Service - 1915 - 556 стор.
...constantly maintained in a sanitary condition free from vermin. 210. Boarding and construction cars shall be kept in a clean and sanitary condition at all times, and due regard shall be had for the comfort of those employed in and on such cars. Plies and mosquitoes... | |
| Pennsylvania. Department of Labor and Industry - 1915 - 180 стор.
...substance that requires paste or glue, or that cannot be thoroughly cleaned. Walls, ceilings and floors shall be kept in a clean and sanitary condition at all times. Damp sweeping, damp dusting and frequent scrubbing and washing with proper cleansing and disinfecting... | |
| Pennsylvania. Department of Labor and Industry - 1916 - 650 стор.
...substance which requires paste or glue, or that cannot be thoroughly cleaned. Walls, ceilings and floors shall be kept in a clean and sanitary condition at all times. Damp sweeping, damp dusting and frequent scrubbing and washing with proper cleansing and disinfecting... | |
| 1916 - 856 стор.
...during the day without the aid of artificial light, shall be heated comfortably in cold weather, and shall be kept in a clean and sanitary condition at all times. 4. Equipment: — Each dispensary shall be furnished with — (a) A pair of accurate scales, (6) A... | |
| Richmond (Va.) Bureau of health, Richmond. Bureau of health - 1918 - 160 стор.
...places where soda fountains are operated, and all places where soft drinks are sold or manufactured, shall be kept in a clean and sanitary condition at all times by those who operate and maintain the same. 2.No water shall be used in or about such places, unless... | |
| United States. Federal Railroad Administration - 1920 - 40 стор.
...25 employees on any one shift. They shall be adequately protected against the entrance of flies, and shall be kept in a clean and sanitary condition at all times. The vaults shall be treated with caustic soda or other approved disinfectant at intervals of not more... | |
| 1921 - 1618 стор.
...rooms, soda-wiiter fountains, Ice-cream parlors, stands, or other places where food or drink are sold shall be kept in a clean and sanitary condition at all times. (6) That all places shall use only water of known purity that has been approved by the health officer... | |
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