276 PRESERVATION OF THE BODY, 



Questions. 



What is the cause that workmen employed on certain 

 metals, die young ? 



With what diseases are painters affected, and why? 



How do we feel when shut up in a close room 7 



How do you account for this ? 



Why do candles and lamps make the air impure 1 



Is it well for several persons to sleep in the same room 1 



What means should be taken to keep the air pure in the 

 night ? 



Why is it that we should be cautious in going near places 

 where sickness prevails ? 



What should be particularly attended to in sick rooms 1 



What happens to us, if we have not light and fresh air ? 



In what situations should houses be built, in order to be 

 healthy ? 



What is the cause that people in swampy places have the 

 ague ? 



LESSON XXVI. 



OF THE PRESERVATION OF INDIVIDUAL PARTS OF 

 OUR BODIES. 



As our comfort depends so greatly on having 

 our limbs and organs in a perfect state, we should 

 be careful not to do any thing which might injure 

 them. If we are heedless in moving about, or in 

 using cutting instruments, or going, without due 

 caution, near machinery, when in motion, we may 

 fracture our limbs, inflict severe cuts upon them, 

 or even be deprived of them. Any of these are 



