The diagram illustrates how the solar panel is used to heat 
air
 and Use synonyms
water
.
Use synonyms
Overall
, the panel consists of four main parts. It has a see-through top, the input and output channels that Linking Words
supplies
 the sources, and the main box.
Change the verb form
supply
First, 
to heat the Linking Words
air
, the solar panel is opened from the box and let out in the open to generate energy from the sun.  Cool Use synonyms
air
 is let in through the inlet Use synonyms
pipe
Use synonyms
,
 when the sun heats on top of the solar, it warms up the Remove the comma
apply
air
 which is Use synonyms
then
 released through the warm Linking Words
air
 outlet. 
Use synonyms
Similarly
, the panels for heating the Linking Words
water
 have the same parts, Use synonyms
that is
; the open top, the box, and the in and out Linking Words
pipe
. Use synonyms
Therefore
, cold Linking Words
water
 is transferred into the Use synonyms
pipe
 and after receiving heat Use synonyms
for
 the sun, the solar energy warms up the Change preposition
from
water
. Use synonyms
This
 Linking Words
water
 is ready for domestic Use synonyms
used
 and let out through the hot Replace the word
use
water
 Use synonyms
pipe
.Use synonyms