Shortage of fresh water, and the difficulty in having toilets that would flush without causing the sub to sink.
Shortage of fresh water, and the difficulty in having toilets that would flush without causing the sub to sink.
More than two billion would still lack proper sanitation , mostly in sub-Saharan Africa.
Public sanitation began with the Roman Empire. The problem with ever present human waste is obvious, and they developed the first sewers.
Problem analysis.
my problem from my community is so very noisy
my problem from my community is so very noisy
The Government provided mass transit and sanitation
An example of an everyday problem is Autocorrect while typing and also being In a public area with terrible sanitation.
As a result buildings were built anywhere, sewage and sanitation systems were poorly designed, and public became a problem.
The number of the sub you do first
Unsanitized work surface, tools and equipment and inexperienced or untrained food handlers are two major hazards in food preparation.
water supplies housing sanitation