Science: Insulation

insulation

Insulation
insulation

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COLD
ENERGY
FIRE
HEAT
HOT
INSULATOR
STOVE
SUN
TRANSFER
S Z G E N T J Y R
I V Q R R O A O R
N C E J G I T E T
D X V K W A F N H
D L O C L S I E O
I W T U N N R R T
S I S A T U D G O
W N R U J L U Y Y
I T D Z N R O U U
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