Science: Insulation

insulation

Insulation
insulation

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