In Hindi what does the word 'Fitcory' stands for?!

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ALUM (aluminum sulfate) is a
nontoxic material commonly
used in water treatment plants
to clarify drinking water.
In lakes alum is used to control
algae, not by killing the algal
organisms, but by reducing the
amount of the nutrient
phosphorus in the water. Like
most other plants, algae requires
phosphorus to live and
reproduce. Algal growth is
usually limited by the amount of
that mineral available in the
water.
Alum with water if applied on
skin, causes contraction and
hence used for stopping
bleeding from small cuts while
shaving. it is used as after shave
in villages. It is got many
application-Industrial as well
domestic.