Science: Insulation

insulation

Insulation
insulation

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