The given diagram depicts the process of transforming polluted
water
into fresh Use synonyms
water
.
Looking at the graph from the general perspective , it can be easily witnessed that there are five stages , starting with pouring Use synonyms
water
into the storage drum , Use synonyms
ending
with using a tap to drink clean Correct word choice
and ending
water
. Use synonyms
This
process ensures all chemical substances are filtered.
Linking Words
To begin
, when a plastic lid is opened , the contaminated Linking Words
water
is immediately poured into the first storage drum . Use synonyms
Subsequently
, it experiences three filtering layers namely sand , charcoal , Linking Words
gravel
. Correct word choice
and gravel
Moreover
, the Linking Words
water
slowly flows through sand , which removes a large number of bacteria . In the bottom , being descended to charcoal , it is able to remove toxins from the Use synonyms
water
without stripping important minerals . Use synonyms
Last
but not least , Linking Words
water
is experienced through gravel in order to remove visible impurities and sediments .
After finishing filtering , fresh Use synonyms
water
is Use synonyms
spilled
through a plastic barrel before completely flowing to the second storage drum , which is designed to hold purified Change the spelling
spilt
water
. After that , the Use synonyms
water
can be drank from the tap .Use synonyms