Science: Insulation

insulation

Insulation
insulation

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