Science: Insulation

insulation

Insulation
insulation

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