The Elements of Hygiene for SchoolsMacmillan, 1909 - 172페이지 |
도서 본문에서
8개의 결과 중 1 - 5개
90 페이지
... traps in plain sight except where necessary to go through walls or floors , thus giving an opportunity to detect leaks , securing ventilation , and making repairs an easy matter . FIG . 21. - Connection of soil pipe to house drain . The ...
... traps in plain sight except where necessary to go through walls or floors , thus giving an opportunity to detect leaks , securing ventilation , and making repairs an easy matter . FIG . 21. - Connection of soil pipe to house drain . The ...
91 페이지
... traps of excellent design in common use , the ball - trap , bell - trap , bottle - trap , Anti- D trap , and Mason trap . FIGURE S TRAP Each and every waste pipe from RUNNING TRAP FIG . 23 . all bath rooms , sinks , wash basins , and ...
... traps of excellent design in common use , the ball - trap , bell - trap , bottle - trap , Anti- D trap , and Mason trap . FIGURE S TRAP Each and every waste pipe from RUNNING TRAP FIG . 23 . all bath rooms , sinks , wash basins , and ...
92 페이지
Isabel McIsaac. Traps lose their seal by siphonage , evaporation , leak- age , and the accumulation of sediment in the trap . Siphonage is prevented by ventilating pipes from the trap , which connect with a main ventilating pipe ...
Isabel McIsaac. Traps lose their seal by siphonage , evaporation , leak- age , and the accumulation of sediment in the trap . Siphonage is prevented by ventilating pipes from the trap , which connect with a main ventilating pipe ...
126 페이지
... Traps will usually dispose of mice , but rats are very wary of traps , and poison is dangerous to have about , besides the danger of the animals dying in wall spaces or under floors . Cats seem to be the only solution where rats become ...
... Traps will usually dispose of mice , but rats are very wary of traps , and poison is dangerous to have about , besides the danger of the animals dying in wall spaces or under floors . Cats seem to be the only solution where rats become ...
131 페이지
... trapped , and an abundant water supply for flushing . Water - closets and wash - rooms should have air and light in abundance and be built with tile or concrete floors and walls . In the primary rooms the seats of water - closets should ...
... trapped , and an abundant water supply for flushing . Water - closets and wash - rooms should have air and light in abundance and be built with tile or concrete floors and walls . In the primary rooms the seats of water - closets should ...
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자주 나오는 단어 및 구문
acid adulterated alcohol amount animal anthrax atmosphere bacilli bacteria body boiling buildings carbohydrates carbolic acid carbon dioxide cause cent chemical cholera cities clean cleanliness climate clothing cold combustion common contains cooking daily danger diet diphtheria discharges disinfectant dust dwellings easily digested filter filth filtration fish flavor formaldehyde foul fresh fruit furnaces garbage germs habits heating household impure air infected infectious diseases injurious to health inlet juices kidneys kitchen large number less light malaria meat mechanical ventilation mental method milk mineral nitrogen occupation odors organic matter oxygen pathogenic persons placed plumbing poisonous polluted Practical Hygiene prevent produce proteids pure putrefaction quantities radiation remove respiration roast salt saprophytic scarlet fever sewage sewer soil air steam sterilized stoves substances surface temperature tetanus tion trap tuberculosis typhoid fever usually vegetable ventilation walls washed water supply yellow fever
인기 인용구
50 페이지 - In the case of mixtures or compounds which may be now or from time to time hereafter known as articles of food, under their own distinctive names, and not an imitation of or offered for sale under the distinctive name of another article, if the name be accompanied on the same label or brand with a statement of the place where said article has been manufactured or produced.
48 페이지 - Second — If any substance has been substituted wholly or in part for the article. Third — If any valuable constituent of the article has been wholly or in part extracted. Fourth — If it be mixed, colored, powdered, coated, 'or stained in a manner whereby damage or inferiority is concealed.
45 페이지 - If any substance or substances have been mixed with it, so as to lower or depreciate, or injuriously affect its quality, strength, or purity; (2) If any inferior or cheaper substance, or substances have been substituted wholly or in part for it; (3) If any valuable or necessary constituent or ingredient has been wholly or in part abstracted from it...
50 페이지 - That the term, blend as used herein shall be construed to mean a mixture of like substances, not excluding harmless coloring or flavoring ingredients used for the purpose of coloring and flavoring only: And...
48 페이지 - That for the purposes of this act an article shall be deemed to be adulterated: In case of drugs: First, If, when a drug is sold under or by a name recognized In the United States Pharmacopoeia...
48 페이지 - ... external application applied in such manner that the preservative is necessarily removed mechanically, or by maceration in water, or otherwise, and directions for the removal of said preservative...
48 페이지 - If it consists in whole or in part of a filthy, decomposed, or putrid animal or vegetable substance, or any portion of an animal unfit for food, whether manufactured or not, or if it is the product of a diseased animal, or one that has died otherwise than by slaughter. SEC. 8. That the term "misbranded...
49 페이지 - misbranded," as used herein, shall apply to all drugs, or articles of food, or articles which enter into the composition of food, the package or label of which shall bear any statement, design, or device regarding such article, or the ingredients or substances contained therein which shall be false or misleading in any particular, and to any food or drug product which is falsely branded as to the State, Territory, or country in which it is manufactured or produced.
49 페이지 - If the package containing it or its label shall bear any statement, design or device regarding the ingredients or the substance contained therein which statement, design or device shall be false or misleading in any particular...
46 페이지 - If any inferior or cheaper substance or substances have been substituted wholly or in part for it. (3) If any valuable or necessary constituent or ingredient has been wholly or in part abstracted from it. (4) If it is an imitation of or is sold under the name of another article.