Science: Insulation

insulation

Insulation
insulation

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