Science: Insulation

insulation

Insulation
insulation

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