Science: Insulation

insulation

Insulation
insulation

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