Science: Insulation

insulation

Insulation
insulation

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