The diagram below describes the structure of a home smokery and how it works.

The diagram given provides information about the stage

on

Change preposition

of

show examples

how a home smokery works.

Overall

there are three stages on how to make a foggy for cooking. Two steps happen on

underground

Add an article

the underground

an underground

show examples

level

and the remaining step happens on the

above ground

Add a hyphen

above-ground

show examples

level

. As shown in the diagram,

firstly

there is a

lid

, which can be

open

Wrong verb form

opened

show examples

and

close

Replace the word

closed

show examples

. The first

lid

has a function to let the fresh

air

in. When the first

lid

opens, the fresh

air

come

Change the verb form

comes

show examples

in to

Join the words

into

show examples

the installation and goes to the

chamber

below the ground

level

.

Then

, the fresh

air

passes through the second

chamber

.

Secondly

, the second

lid

in stage two

has

Unnecessary verb

apply

show examples

function

Fix the agreement mistake

functions

show examples

as a door to let in the wooden

of

Change preposition

apply

show examples

logs.

While

this

stage occurs, the fresh

air

flows through the installation and contributes to the combustion process, which

help

Change the verb form

helps

show examples

the process of burning wooden logs.

Thirdly

,

after

this

process has

done

Add a missing verb

been done

show examples

, the smoke

produced

Add a missing verb

is produced

show examples

and passed through the

chamber

installation.

Finally

, the smoke goes to the

chamber

above ground

level

, which placed the hanging food (fish and meat) for cooking.