Science: Insulation

insulation

Insulation
insulation

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