Science: Insulation

insulation

Insulation
insulation

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