Science: Insulation

insulation

Insulation
insulation

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