Science: Insulation

insulation

Insulation
insulation

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