Science: Insulation

insulation

Insulation
insulation

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