Science: Insulation

insulation

Insulation
insulation

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