Science: Insulation

insulation

Insulation
insulation

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