Science: Insulation

insulation

Insulation
insulation

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