The given layout delineates the information related to 
assembly
 and working of simple Correct article usage
the assembly
water
 Use synonyms
Use synonyms
filter
 and how Fix the agreement mistake
filters
it
 help to produce clean Correct pronoun usage
they
water
 which is suitable for drinking. Looking from an Use synonyms
overall
 perspective, it is readily apparent that Linking Words
Use synonyms
water
 Correct article usage
the water
filter
 machine Use synonyms
conatin
 different layers of distinct material and Correct your spelling
contain
contains
connected
 to Add a missing verb
is connected
Use synonyms
storage
 drum.
Correct article usage
the storage
Use synonyms
Water
 Correct article usage
The water
filter
 appliance contain a plastic lid to cover the Use synonyms
filter
 Use synonyms
tank
. Use synonyms
Water
 is filled in a Use synonyms
filter
 Use synonyms
tank
, surrounded by a Use synonyms
platic
 Correct your spelling
plastic
barrrel
. Correct your spelling
barrel
This
 Linking Words
tank
 Use synonyms
have
 three discrete layers. Change the verb form
has
Intital
 layer is made of sand which is Correct word choice
The initial
thickest
 among Correct article usage
the thickest
other
 two, followed by Correct article usage
the other
charoal
 sheet. Correct your spelling
charcoal
This
 film is Linking Words
thinnest
 and is between sand and gravel covering. Gravel covering is Correct article usage
the thinnest
Linking Words
last
 layer and Correct article usage
the last
thickness
 is more than charcoal but less than Correct article usage
the thickness
sand
 layer. The lank which Correct article usage
the sand
contain
 all these layers is known as Correct subject-verb agreement
contains
above
 Correct article usage
the above
storage
 drum.
Use synonyms
This
 Linking Words
tank
 is connected to Use synonyms
an 
another Remove the article
apply
storage
 drum by a pipe. Use synonyms
This
 Linking Words
help
 in Correct subject-verb agreement
helps
flow
 of clean Add an article
the flow
water
 to Use synonyms
Use synonyms
storage
 Correct article usage
the storage
tank
. Use synonyms
Storage
 Use synonyms
Use synonyms
tank
 contain an outlet which is at the bottom of the Fix the agreement mistake
tanks
tank
, in Use synonyms
this
 Linking Words
case
 a tap. Add the comma(s)
case,
This
 Linking Words
help
 in utilizing the purified Correct subject-verb agreement
helps
water
 for drinking.Use synonyms