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One very famous, perhaps the most famous way was through improvised vaccination. Specifically, George Washington ordered his healthy men to be injected with substance taken from the wounds of the sick men during a smallpox infection.
A risk was that those men would get sick just like the the sick men did, but the the potential reward would be that they would get sick in a controlled way and that they would be able to fight this disease.
Soup ladels, spatulas fork knifes spoons etc...
There are a variety of reasons due to which the government
has been slow in the cleanup efforts of the India’s Ganges River, which is a
vital natural resource and is thought to be highly contaminated. Firstly the
people of India believe that the Ganges is a holy river and it cannot be
contaminated. Secondly with several industries coming up around the river banks
the government is completely at fault for not committing themselves towards the
cleaning of this holy river.