EXERCISES 439 



house, or the one in which street and barnyard filth is brought into the 

 house? 



2. Why is it better to have little bric-a-brac on mantels and walls, 

 rather than much? To have "open" plumbing, rather than plumb- 

 ing enclosed in wooden cupboards? To have a light, airy cellar, 

 rather than a dark, damp one? To do sweeping with a carpet sweeper, 

 rather than with a broom? What are the advantages of " vacuum 

 cleaning" apparatus? 



3. Why should you not wipe your eyes with* your fingers? Allow 

 your teeth to remain uncleaned? Cough with your face to the table? 

 Carry drinking glasses with your fingers inside the glasses? Turn 

 the leaves of a book with fingers moistened by saliva? Put pencils into 

 your mouth? 



4. Which would you expect to be more contaminated with germs, 

 one-dollar bills or ten-dollar bills? Why? 



5. Can a cistern be kept clean if birds are allowed to live on the 

 roof or in eaves troughs? 



6. Name all the ways in which a community can guard itself against 

 typhoid fever. 



7. Find out from a physician or a well-digger how a well should be 

 constructed and protected, so that surface water may not get into it 

 (cf. 81.) 



8. How can the germs in drinking water be removed or destroyed? 

 (Cf. 83). Is ice ever dangerous to public health? 



9. What do you think of the following as sanitary practices: Locat- 

 ing of bakeries in cellars? In tenement houses? Having milk depots 

 in cellars? Delivering milk in cans? Delivery of milk in bottles, but 

 in open wagons? Handling of milk bottles by the mouths of the 

 bottles? 



10. Do you think it safe to put away furs, winter caps, underwear, 

 and clothing in a closet or trunk, without disinfecting them, and then 

 to wear them again in the fall? 



11. What objection is there to having much furniture, and draperies, 

 bookcases, etc., in a sickroom? 



12. What does sediment at the bottom of a milk bottle indicate? 

 Why ought the mouth of a milk bottle to be wiped before the bottle is 

 opened? 



