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7
removal as a store for drinking water, and a constant supply
given.
The periodical cleansing of filters is also an important
matter.
Indeed, to preserve health, it is necessary that a large
amount of trouble and watchfulness should be used.
Sewer Gases.
Continuel care is required to prevent the ingress of foul
air into houses from drains.
Hundereds of houses still communicate with the sewers by
waste pipes sink pipes water closets, soil pipes, bath and
basin pipes, and although supposed to be secured by what are
calles traps still from different causes admit poisonous gases,
which are often laden with the germs of infection.
A great deal of trouble has been taken to get these
dangers remedied in the construction of the new houses in the
district but usually little or no attention is paid to drainage.
No house should in any way communicate with a
sewer, but should have its connection broken between the
houses and the drain traps, so that any foul gas can only get
vent into the open air.
Cowhouses and Dairies.
At milk often constitutes the sole diet of infants, and a
largo portion of the diet of invalids, it becomes of the most
serious importance that this nutritious food should be of a
pure quality
Dairies should be
The surroundings of Cowhouses and Dairies should be
kept scrupulously clean, and in the event of any case of