Science: Insulation

insulation

Insulation
insulation

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