Science: Insulation

insulation

Insulation
insulation

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