Science: Insulation

insulation

Insulation
insulation

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