Science: Insulation

insulation

Insulation
insulation

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