Nowadays people have cosmetic surgery to improve life. Why do many more people choose these operations? Do you think this is a positive or negative development?

The three illustrations show the solar

panels's

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panels'

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mechanism to provide electricity for domestic use. Overall, the

first

diagram

show

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shows

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the parts of the solar

panel

, and the other two demonstrate the two types of solar

panels

, namely, solar

panels

to heat

air

and solar

panels

to heat

water

. Basically, to differentiate between the two types, the solar

panel

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for

tofor

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for

heatingwater

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heating water

contains a

water

pipe built in it, whereas the other does not. Both

of

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apply

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the

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apply

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solar

panels

consist of a box, inlet, outlet and transparent top. For the solar

panel

to heat

air

, the cool

air

enter

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enters

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through the inlet, is heated, and is

then

discharged as warm

air

.

On the other hand

, the solar

panel

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for

tofor

Correct your spelling

for

heating

water

works similar way except that pipe connects the inlet and the outlet. When cool

water

goes in, it is heated while it flows in the

water

pipe

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and

to and

toand

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and

finally

comes out as warm

water

.